124604891 has 2 divisors, whose sum is σ = 124604892. Its totient is φ = 124604890.

The previous prime is 124604867. The next prime is 124604911. The reversal of 124604891 is 198406421.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 124604891 - 2⁶ = 124604827 is a prime.

It is a super-2 number, since 2×124604891² = 31052757722243762, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (124606891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62302445 + 62302446.

It is an arithmetic number, because the mean of its divisors is an integer number (62302446).

Almost surely, 2^124604891 is an apocalyptic number.

124604891 is a deficient number, since it is larger than the sum of its proper divisors (1).

124604891 is an equidigital number, since it uses as much as digits as its factorization.

124604891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 124604891 is about 11162.6560907340. The cubic root of 124604891 is about 499.4726319615.

The spelling of 124604891 in words is "one hundred twenty-four million, six hundred four thousand, eight hundred ninety-one".