1051125155 has 32 divisors (see below), whose sum is σ = 1348358400. Its totient is φ = 785247232.

The previous prime is 1051125151. The next prime is 1051125167. The reversal of 1051125155 is 5515211501.

It is a cyclic number.

It is not a de Polignac number, because 1051125155 - 2² = 1051125151 is a prime.

It is a super-2 number, since 2×1051125155² = 2209728182947548050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1051125151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 605669 + ... + 607401.

It is an arithmetic number, because the mean of its divisors is an integer number (42136200).

Almost surely, 2^1051125155 is an apocalyptic number.

1051125155 is a deficient number, since it is larger than the sum of its proper divisors (297233245).

1051125155 is a wasteful number, since it uses less digits than its factorization.

1051125155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1903.

The product of its (nonzero) digits is 1250, while the sum is 26.

The square root of 1051125155 is about 32421.0603620548. The cubic root of 1051125155 is about 1016.7592759259.

Adding to 1051125155 its reverse (5515211501), we get a palindrome (6566336656).

The spelling of 1051125155 in words is "one billion, fifty-one million, one hundred twenty-five thousand, one hundred fifty-five".