1113620172 has 48 divisors (see below), whose sum is σ = 3125955840. Its totient is φ = 301430592.

The previous prime is 1113620171. The next prime is 1113620177. The reversal of 1113620172 is 2710263111.

It is not an unprimeable number, because it can be changed into a prime (1113620171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 347283 + ... + 350474.

It is an arithmetic number, because the mean of its divisors is an integer number (65124080).

Almost surely, 2^1113620172 is an apocalyptic number.

1113620172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1113620172 is an abundant number, since it is smaller than the sum of its proper divisors (2012335668).

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

1113620172 is a wasteful number, since it uses less digits than its factorization.

1113620172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697790 (or 697788 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 1113620172 is about 33370.9480236927. The cubic root of 1113620172 is about 1036.5232061048.

Adding to 1113620172 its reverse (2710263111), we get a palindrome (3823883283).

The spelling of 1113620172 in words is "one billion, one hundred thirteen million, six hundred twenty thousand, one hundred seventy-two".