124951949 has 2 divisors, whose sum is σ = 124951950. Its totient is φ = 124951948.

The previous prime is 124951927. The next prime is 124951963. The reversal of 124951949 is 949159421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75811849 + 49140100 = 8707^2 + 7010^2 .

It is a cyclic number.

It is not a de Polignac number, because 124951949 - 2¹⁶ = 124886413 is a prime.

It is a super-2 number, since 2×124951949² = 31225979117797202, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124951919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62475974 + 62475975.

It is an arithmetic number, because the mean of its divisors is an integer number (62475975).

Almost surely, 2^124951949 is an apocalyptic number.

It is an amenable number.

124951949 is a deficient number, since it is larger than the sum of its proper divisors (1).

124951949 is an equidigital number, since it uses as much as digits as its factorization.

124951949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 116640, while the sum is 44.

The square root of 124951949 is about 11178.1907748973. The cubic root of 124951949 is about 499.9359237888.

The spelling of 124951949 in words is "one hundred twenty-four million, nine hundred fifty-one thousand, nine hundred forty-nine".