1000030155 has 8 divisors (see below), whose sum is σ = 1600048272. Its totient is φ = 533349408.

The previous prime is 1000030153. The next prime is 1000030177. The reversal of 1000030155 is 5510300001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1000030155 - 2¹ = 1000030153 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 66668677 = 1000030155 / (1 + 0 + 0 + 0 + 0 + 3 + 0 + 1 + 5 + 5).

It is not an unprimeable number, because it can be changed into a prime (1000030153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33334324 + ... + 33334353.

It is an arithmetic number, because the mean of its divisors is an integer number (200006034).

Almost surely, 2^1000030155 is an apocalyptic number.

1000030155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1000030155 is a deficient number, since it is larger than the sum of its proper divisors (600018117).

1000030155 is an equidigital number, since it uses as much as digits as its factorization.

1000030155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66668685.

The product of its (nonzero) digits is 75, while the sum is 15.

The square root of 1000030155 is about 31623.2533905036. The cubic root of 1000030155 is about 1000.0100515656.

Adding to 1000030155 its reverse (5510300001), we get a palindrome (6510330156).

The spelling of 1000030155 in words is "one billion, thirty thousand, one hundred fifty-five".