125150401 has 2 divisors, whose sum is σ = 125150402. Its totient is φ = 125150400.

The previous prime is 125150393. The next prime is 125150453. The reversal of 125150401 is 104051521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97535376 + 27615025 = 9876^2 + 5255^2 .

It is a cyclic number.

It is not a de Polignac number, because 125150401 - 2³ = 125150393 is a prime.

It is not a weakly prime, because it can be changed into another prime (125153401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62575200 + 62575201.

It is an arithmetic number, because the mean of its divisors is an integer number (62575201).

Almost surely, 2^125150401 is an apocalyptic number.

It is an amenable number.

125150401 is a deficient number, since it is larger than the sum of its proper divisors (1).

125150401 is an equidigital number, since it uses as much as digits as its factorization.

125150401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 125150401 is about 11187.0640026774. The cubic root of 125150401 is about 500.2004542921.

The spelling of 125150401 in words is "one hundred twenty-five million, one hundred fifty thousand, four hundred one".