126454639270 has 32 divisors (see below), whose sum is σ = 244119005280. Its totient is φ = 47015504640.

The previous prime is 126454639219. The next prime is 126454639301. The reversal of 126454639270 is 72936454621.

It is a super-2 number, since 2×126454639270² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6268711 + ... + 6288850.

It is an arithmetic number, because the mean of its divisors is an integer number (7628718915).

Almost surely, 2^126454639270 is an apocalyptic number.

126454639270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126454639270 is a deficient number, since it is larger than the sum of its proper divisors (117664366010).

126454639270 is a wasteful number, since it uses less digits than its factorization.

126454639270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12557640.

The product of its (nonzero) digits is 2177280, while the sum is 49.

The spelling of 126454639270 in words is "one hundred twenty-six billion, four hundred fifty-four million, six hundred thirty-nine thousand, two hundred seventy".