124011690 has 96 divisors (see below), whose sum is σ = 330946560. Its totient is φ = 29715840.

The previous prime is 124011677. The next prime is 124011733. The reversal of 124011690 is 96110421.

It is a super-2 number, since 2×124011690² = 30757798513312200, which contains 22 as substring.

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 124011690.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 460876 + ... + 461144.

It is an arithmetic number, because the mean of its divisors is an integer number (3447360).

Almost surely, 2^124011690 is an apocalyptic number.

124011690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 124011690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165473280).

124011690 is an abundant number, since it is smaller than the sum of its proper divisors (206934870).

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

124011690 is a wasteful number, since it uses less digits than its factorization.

124011690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428 (or 417 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 124011690 is about 11136.0536097848. The cubic root of 124011690 is about 498.6787650852.

The spelling of 124011690 in words is "one hundred twenty-four million, eleven thousand, six hundred ninety".