125234424449 has 2 divisors, whose sum is σ = 125234424450. Its totient is φ = 125234424448.

The previous prime is 125234424407. The next prime is 125234424473. The reversal of 125234424449 is 944424432521.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116395604224 + 8838820225 = 341168^2 + 94015^2 .

It is a cyclic number.

It is not a de Polignac number, because 125234424449 - 2⁸ = 125234424193 is a prime.

It is a super-2 number, since 2×125234424449² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (125234424349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62617212224 + 62617212225.

It is an arithmetic number, because the mean of its divisors is an integer number (62617212225).

Almost surely, 2^125234424449 is an apocalyptic number.

It is an amenable number.

125234424449 is a deficient number, since it is larger than the sum of its proper divisors (1).

125234424449 is an equidigital number, since it uses as much as digits as its factorization.

125234424449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1105920, while the sum is 44.

The spelling of 125234424449 in words is "one hundred twenty-five billion, two hundred thirty-four million, four hundred twenty-four thousand, four hundred forty-nine".