3420124155 has 48 divisors (see below), whose sum is σ = 7026050304. Its totient is φ = 1563481440.

The previous prime is 3420124151. The next prime is 3420124159. The reversal of 3420124155 is 5514210243.

It is an interprime number because it is at equal distance from previous prime (3420124151) and next prime (3420124159).

It is not a de Polignac number, because 3420124155 - 2² = 3420124151 is a prime.

It is a super-2 number, since 2×3420124155² = 23394498471228928050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (3420124151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 192561 + ... + 209570.

It is an arithmetic number, because the mean of its divisors is an integer number (146376048).

Almost surely, 2^3420124155 is an apocalyptic number.

3420124155 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3420124155 is an abundant number, since it is smaller than the sum of its proper divisors (3605926149).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3420124155 is an equidigital number, since it uses as much as digits as its factorization.

3420124155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402158 (or 402146 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 3420124155 is about 58481.8275620726. The cubic root of 3420124155 is about 1506.6554859955.

Adding to 3420124155 its reverse (5514210243), we get a palindrome (8934334398).

The spelling of 3420124155 in words is "three billion, four hundred twenty million, one hundred twenty-four thousand, one hundred fifty-five".