1125476172 has 36 divisors (see below), whose sum is σ = 2994689880. Its totient is φ = 355413312.

The previous prime is 1125476161. The next prime is 1125476179. The reversal of 1125476172 is 2716745211.

1125476172 is a `hidden beast` number, since 1 + 12 + 5 + 476 + 172 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1125476172² = 2533393227479547168, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1125476179) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 822033 + ... + 823400.

It is an arithmetic number, because the mean of its divisors is an integer number (83185830).

Almost surely, 2^1125476172 is an apocalyptic number.

1125476172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1125476172 is an abundant number, since it is smaller than the sum of its proper divisors (1869213708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1125476172 is a wasteful number, since it uses less digits than its factorization.

1125476172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1645462 (or 1645457 counting only the distinct ones).

The product of its digits is 23520, while the sum is 36.

The square root of 1125476172 is about 33548.1172646096. The cubic root of 1125476172 is about 1040.1886282611.

The spelling of 1125476172 in words is "one billion, one hundred twenty-five million, four hundred seventy-six thousand, one hundred seventy-two".