124492005 has 32 divisors (see below), whose sum is σ = 241441920. Its totient is φ = 60359040.

The previous prime is 124491989. The next prime is 124492019. The reversal of 124492005 is 500294421.

124492005 is a `hidden beast` number, since 12 + 449 + 200 + 5 = 666.

It is not a de Polignac number, because 124492005 - 2⁴ = 124491989 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 124492005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40432 + ... + 43401.

It is an arithmetic number, because the mean of its divisors is an integer number (7545060).

Almost surely, 2^124492005 is an apocalyptic number.

124492005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

124492005 is a deficient number, since it is larger than the sum of its proper divisors (116949915).

124492005 is a wasteful number, since it uses less digits than its factorization.

124492005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83858 (or 83852 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 124492005 is about 11157.5985319423. The cubic root of 124492005 is about 499.3217537133.

The spelling of 124492005 in words is "one hundred twenty-four million, four hundred ninety-two thousand, five".