125526403 has 2 divisors, whose sum is σ = 125526404. Its totient is φ = 125526402.

The previous prime is 125526377. The next prime is 125526421. The reversal of 125526403 is 304625521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125526403 - 2⁵ = 125526371 is a prime.

It is not a weakly prime, because it can be changed into another prime (125526473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62763201 + 62763202.

It is an arithmetic number, because the mean of its divisors is an integer number (62763202).

Almost surely, 2^125526403 is an apocalyptic number.

125526403 is a deficient number, since it is larger than the sum of its proper divisors (1).

125526403 is an equidigital number, since it uses as much as digits as its factorization.

125526403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 125526403 is about 11203.8566127919. The cubic root of 125526403 is about 500.7008877204.

The spelling of 125526403 in words is "one hundred twenty-five million, five hundred twenty-six thousand, four hundred three".