124944389 has 2 divisors, whose sum is σ = 124944390. Its totient is φ = 124944388.

The previous prime is 124944371. The next prime is 124944403. The reversal of 124944389 is 983449421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78021889 + 46922500 = 8833^2 + 6850^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124944389 is a prime.

It is a super-2 number, since 2×124944389² = 31222200685166642, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124944319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62472194 + 62472195.

It is an arithmetic number, because the mean of its divisors is an integer number (62472195).

Almost surely, 2^124944389 is an apocalyptic number.

It is an amenable number.

124944389 is a deficient number, since it is larger than the sum of its proper divisors (1).

124944389 is an equidigital number, since it uses as much as digits as its factorization.

124944389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832, while the sum is 44.

The square root of 124944389 is about 11177.8526113024. The cubic root of 124944389 is about 499.9258410014.

The spelling of 124944389 in words is "one hundred twenty-four million, nine hundred forty-four thousand, three hundred eighty-nine".