126625049 has 16 divisors (see below), whose sum is σ = 136926720. Its totient is φ = 116820480.

The previous prime is 126625039. The next prime is 126625091. The reversal of 126625049 is 940526621.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 126625049 - 2⁸ = 126624793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126625039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73769 + ... + 75465.

It is an arithmetic number, because the mean of its divisors is an integer number (8557920).

Almost surely, 2^126625049 is an apocalyptic number.

It is an amenable number.

126625049 is a deficient number, since it is larger than the sum of its proper divisors (10301671).

126625049 is a wasteful number, since it uses less digits than its factorization.

126625049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1840.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 126625049 is about 11252.7796121669. The cubic root of 126625049 is about 502.1574097775.

The spelling of 126625049 in words is "one hundred twenty-six million, six hundred twenty-five thousand, forty-nine".