125437099 has 2 divisors, whose sum is σ = 125437100. Its totient is φ = 125437098.

The previous prime is 125437087. The next prime is 125437111. The reversal of 125437099 is 990734521.

It is a balanced prime because it is at equal distance from previous prime (125437087) and next prime (125437111).

It is a cyclic number.

It is not a de Polignac number, because 125437099 - 2⁹ = 125436587 is a prime.

It is not a weakly prime, because it can be changed into another prime (125437079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62718549 + 62718550.

It is an arithmetic number, because the mean of its divisors is an integer number (62718550).

Almost surely, 2^125437099 is an apocalyptic number.

125437099 is a deficient number, since it is larger than the sum of its proper divisors (1).

125437099 is an equidigital number, since it uses as much as digits as its factorization.

125437099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 125437099 is about 11199.8704903226. The cubic root of 125437099 is about 500.5821206747.

The spelling of 125437099 in words is "one hundred twenty-five million, four hundred thirty-seven thousand, ninety-nine".