3121463 has 4 divisors (see below), whose sum is σ = 3168120. Its totient is φ = 3074808.

The previous prime is 3121457. The next prime is 3121487. The reversal of 3121463 is 3641213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3641213 = 17 ⋅214189.

It is a cyclic number.

It is not a de Polignac number, because 3121463 - 2¹⁴ = 3105079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3121423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23228 + ... + 23361.

It is an arithmetic number, because the mean of its divisors is an integer number (792030).

Almost surely, 2^3121463 is an apocalyptic number.

3121463 is a deficient number, since it is larger than the sum of its proper divisors (46657).

3121463 is an equidigital number, since it uses as much as digits as its factorization.

3121463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46656.

The product of its digits is 432, while the sum is 20.

The square root of 3121463 is about 1766.7662550547. The cubic root of 3121463 is about 146.1457074167.

Adding to 3121463 its reverse (3641213), we get a palindrome (6762676).

The spelling of 3121463 in words is "three million, one hundred twenty-one thousand, four hundred sixty-three".