124199894 has 16 divisors (see below), whose sum is σ = 229292448. Its totient is φ = 49133952.

The previous prime is 124199893. The next prime is 124199963. The reversal of 124199894 is 498991421.

It is a super-2 number, since 2×124199894² = 30851227339222472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124199891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 341027 + ... + 341390.

It is an arithmetic number, because the mean of its divisors is an integer number (14330778).

Almost surely, 2^124199894 is an apocalyptic number.

124199894 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

124199894 is a deficient number, since it is larger than the sum of its proper divisors (105092554).

124199894 is a wasteful number, since it uses less digits than its factorization.

124199894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682439.

The product of its digits is 186624, while the sum is 47.

The square root of 124199894 is about 11144.5006168962. The cubic root of 124199894 is about 498.9309077126.

The spelling of 124199894 in words is "one hundred twenty-four million, one hundred ninety-nine thousand, eight hundred ninety-four".