126604401 has 32 divisors (see below), whose sum is σ = 217728000. Its totient is φ = 63497280.

The previous prime is 126604367. The next prime is 126604441. The reversal of 126604401 is 104406621.

It is not a de Polignac number, because 126604401 - 2⁷ = 126604273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126604441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2751 + ... + 16148.

It is an arithmetic number, because the mean of its divisors is an integer number (6804000).

Almost surely, 2^126604401 is an apocalyptic number.

126604401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

126604401 is a deficient number, since it is larger than the sum of its proper divisors (91123599).

126604401 is a wasteful number, since it uses less digits than its factorization.

126604401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18949.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 126604401 is about 11251.8621125572. The cubic root of 126604401 is about 502.1301136779.

The spelling of 126604401 in words is "one hundred twenty-six million, six hundred four thousand, four hundred one".