125254274251 has 2 divisors, whose sum is σ = 125254274252. Its totient is φ = 125254274250.

The previous prime is 125254274231. The next prime is 125254274287. The reversal of 125254274251 is 152472452521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125254274251 - 2¹⁹ = 125253749963 is a prime.

It is a super-2 number, since 2×125254274251² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (125254274221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62627137125 + 62627137126.

It is an arithmetic number, because the mean of its divisors is an integer number (62627137126).

Almost surely, 2^125254274251 is an apocalyptic number.

125254274251 is a deficient number, since it is larger than the sum of its proper divisors (1).

125254274251 is an equidigital number, since it uses as much as digits as its factorization.

125254274251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 224000, while the sum is 40.

The spelling of 125254274251 in words is "one hundred twenty-five billion, two hundred fifty-four million, two hundred seventy-four thousand, two hundred fifty-one".