126590451 has 16 divisors (see below), whose sum is σ = 181972896. Its totient is φ = 77815296.

The previous prime is 126590441. The next prime is 126590491. The reversal of 126590451 is 154095621.

It is not a de Polignac number, because 126590451 - 2⁵ = 126590419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126590441) 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, 66651 + ... + 68523.

It is an arithmetic number, because the mean of its divisors is an integer number (11373306).

Almost surely, 2^126590451 is an apocalyptic number.

126590451 is a deficient number, since it is larger than the sum of its proper divisors (55382445).

126590451 is a wasteful number, since it uses less digits than its factorization.

126590451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3622.

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 126590451 is about 11251.2421980864. The cubic root of 126590451 is about 502.1116704739. Note that the first 3 decimals are identical.

The spelling of 126590451 in words is "one hundred twenty-six million, five hundred ninety thousand, four hundred fifty-one".