126994703542 has 32 divisors (see below), whose sum is σ = 219775219200. Its totient is φ = 53909428608.

The previous prime is 126994703483. The next prime is 126994703567. The reversal of 126994703542 is 245307499621.

It is a super-2 number, since 2×126994703542² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 126994703542.

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, 2472559 + ... + 2523397.

It is an arithmetic number, because the mean of its divisors is an integer number (6867975600).

Almost surely, 2^126994703542 is an apocalyptic number.

126994703542 is a deficient number, since it is larger than the sum of its proper divisors (92780515658).

126994703542 is a wasteful number, since it uses less digits than its factorization.

126994703542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52540.

The product of its (nonzero) digits is 3265920, while the sum is 52.

The spelling of 126994703542 in words is "one hundred twenty-six billion, nine hundred ninety-four million, seven hundred three thousand, five hundred forty-two".