1125156635 has 16 divisors (see below), whose sum is σ = 1364755392. Its totient is φ = 890467200.

The previous prime is 1125156623. The next prime is 1125156647. The reversal of 1125156635 is 5366515211.

It is an interprime number because it is at equal distance from previous prime (1125156623) and next prime (1125156647).

It is not a de Polignac number, because 1125156635 - 2¹⁴ = 1125140251 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1125156595 and 1125156604.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175130 + ... + 181440.

It is an arithmetic number, because the mean of its divisors is an integer number (85297212).

Almost surely, 2^1125156635 is an apocalyptic number.

1125156635 is a deficient number, since it is larger than the sum of its proper divisors (239598757).

1125156635 is a wasteful number, since it uses less digits than its factorization.

1125156635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6694.

The product of its digits is 27000, while the sum is 35.

The square root of 1125156635 is about 33543.3545579449. The cubic root of 1125156635 is about 1040.0901780163.

The spelling of 1125156635 in words is "one billion, one hundred twenty-five million, one hundred fifty-six thousand, six hundred thirty-five".