124031993 has 2 divisors, whose sum is σ = 124031994. Its totient is φ = 124031992.

The previous prime is 124031977. The next prime is 124032053. The reversal of 124031993 is 399130421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118635664 + 5396329 = 10892^2 + 2323^2 .

It is a cyclic number.

It is not a de Polignac number, because 124031993 - 2⁴ = 124031977 is a prime.

It is not a weakly prime, because it can be changed into another prime (124031693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62015996 + 62015997.

It is an arithmetic number, because the mean of its divisors is an integer number (62015997).

Almost surely, 2^124031993 is an apocalyptic number.

It is an amenable number.

124031993 is a deficient number, since it is larger than the sum of its proper divisors (1).

124031993 is an equidigital number, since it uses as much as digits as its factorization.

124031993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 124031993 is about 11136.9651611200. The cubic root of 124031993 is about 498.7059779027.

It can be divided in two parts, 1240 and 31993, that added together give a palindrome (33233).

The spelling of 124031993 in words is "one hundred twenty-four million, thirty-one thousand, nine hundred ninety-three".