1204572155 has 12 divisors (see below), whose sum is σ = 1466162976. Its totient is φ = 950065200.

The previous prime is 1204572139. The next prime is 1204572199. The reversal of 1204572155 is 5512754021.

It is not a de Polignac number, because 1204572155 - 2⁴ = 1204572139 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1310 + ... + 49100.

It is an arithmetic number, because the mean of its divisors is an integer number (122180248).

Almost surely, 2^1204572155 is an apocalyptic number.

1204572155 is a deficient number, since it is larger than the sum of its proper divisors (261590821).

1204572155 is an frugal number, since it uses more digits than its factorization.

1204572155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47938 (or 47867 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 32.

The square root of 1204572155 is about 34706.9467830289. The cubic root of 1204572155 is about 1064.0064808597.

The spelling of 1204572155 in words is "one billion, two hundred four million, five hundred seventy-two thousand, one hundred fifty-five".