125829401 has 2 divisors, whose sum is σ = 125829402. Its totient is φ = 125829400.

The previous prime is 125829391. The next prime is 125829421. The reversal of 125829401 is 104928521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 106915600 + 18913801 = 10340^2 + 4349^2 .

It is a cyclic number.

It is not a de Polignac number, because 125829401 - 2²⁶ = 58720537 is a prime.

It is not a weakly prime, because it can be changed into another prime (125829421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62914700 + 62914701.

It is an arithmetic number, because the mean of its divisors is an integer number (62914701).

Almost surely, 2^125829401 is an apocalyptic number.

It is an amenable number.

125829401 is a deficient number, since it is larger than the sum of its proper divisors (1).

125829401 is an equidigital number, since it uses as much as digits as its factorization.

125829401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 125829401 is about 11217.3705029298. The cubic root of 125829401 is about 501.1034310883.

The spelling of 125829401 in words is "one hundred twenty-five million, eight hundred twenty-nine thousand, four hundred one".