112542969 has 32 divisors (see below), whose sum is σ = 188052480. Its totient is φ = 58161600.

The previous prime is 112542943. The next prime is 112542973. The reversal of 112542969 is 969245211.

It is not a de Polignac number, because 112542969 - 2¹⁹ = 112018681 is a prime.

It is a super-2 number, since 2×112542969² = 25331839742669922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (112542919) 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, 47587 + ... + 49895.

It is an arithmetic number, because the mean of its divisors is an integer number (5876640).

Almost surely, 2^112542969 is an apocalyptic number.

It is an amenable number.

112542969 is a deficient number, since it is larger than the sum of its proper divisors (75509511).

112542969 is a wasteful number, since it uses less digits than its factorization.

112542969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2541.

The product of its digits is 38880, while the sum is 39.

The square root of 112542969 is about 10608.6271025048. The cubic root of 112542969 is about 482.8061453882.

The spelling of 112542969 in words is "one hundred twelve million, five hundred forty-two thousand, nine hundred sixty-nine".