1172011532 has 12 divisors (see below), whose sum is σ = 2054214456. Its totient is φ = 585093120.

The previous prime is 1172011507. The next prime is 1172011537. The reversal of 1172011532 is 2351102711.

It is a super-2 number, since 2×1172011532² = 2747222062281974048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1172011498 and 1172011507.

It is not an unprimeable number, because it can be changed into a prime (1172011537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225269 + ... + 230412.

It is an arithmetic number, because the mean of its divisors is an integer number (171184538).

Almost surely, 2^1172011532 is an apocalyptic number.

It is an amenable number.

1172011532 is a deficient number, since it is larger than the sum of its proper divisors (882202924).

1172011532 is a wasteful number, since it uses less digits than its factorization.

1172011532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456328 (or 456326 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 23.

The square root of 1172011532 is about 34234.6539634914. The cubic root of 1172011532 is about 1054.3317742323.

The spelling of 1172011532 in words is "one billion, one hundred seventy-two million, eleven thousand, five hundred thirty-two".