126264474391 has 24 divisors (see below), whose sum is σ = 150702271632. Its totient is φ = 104548665600.

The previous prime is 126264474367. The next prime is 126264474433. The reversal of 126264474391 is 193474462621.

It is a de Polignac number, because none of the positive numbers 2^k-126264474391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126264474311) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 171600 + ... + 531013.

It is an arithmetic number, because the mean of its divisors is an integer number (6279261318).

Almost surely, 2^126264474391 is an apocalyptic number.

126264474391 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

126264474391 is a deficient number, since it is larger than the sum of its proper divisors (24437797241).

126264474391 is a wasteful number, since it uses less digits than its factorization.

126264474391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702703 (or 702672 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 49.

The spelling of 126264474391 in words is "one hundred twenty-six billion, two hundred sixty-four million, four hundred seventy-four thousand, three hundred ninety-one".