123492045 has 16 divisors (see below), whose sum is σ = 197729280. Its totient is φ = 65815104.

The previous prime is 123492023. The next prime is 123492059. The reversal of 123492045 is 540294321.

It is not a de Polignac number, because 123492045 - 2⁵ = 123492013 is a prime.

It is a Curzon number.

It is a congruent number.

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, 31747 + ... + 35423.

It is an arithmetic number, because the mean of its divisors is an integer number (12358080).

Almost surely, 2^123492045 is an apocalyptic number.

123492045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

123492045 is a deficient number, since it is larger than the sum of its proper divisors (74237235).

123492045 is a wasteful number, since it uses less digits than its factorization.

123492045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5924.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 123492045 is about 11112.6974673119. The cubic root of 123492045 is about 497.9812536289.

The spelling of 123492045 in words is "one hundred twenty-three million, four hundred ninety-two thousand, forty-five".