125898101731 has 2 divisors, whose sum is σ = 125898101732. Its totient is φ = 125898101730.

The previous prime is 125898101723. The next prime is 125898101767. The reversal of 125898101731 is 137101898521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125898101731 - 2³ = 125898101723 is a prime.

It is a super-2 number, since 2×125898101731² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (125898101831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62949050865 + 62949050866.

It is an arithmetic number, because the mean of its divisors is an integer number (62949050866).

Almost surely, 2^125898101731 is an apocalyptic number.

125898101731 is a deficient number, since it is larger than the sum of its proper divisors (1).

125898101731 is an equidigital number, since it uses as much as digits as its factorization.

125898101731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 46.

The spelling of 125898101731 in words is "one hundred twenty-five billion, eight hundred ninety-eight million, one hundred one thousand, seven hundred thirty-one".