126242057294 has 4 divisors (see below), whose sum is σ = 189363085944. Its totient is φ = 63121028646.

The previous prime is 126242057261. The next prime is 126242057363. The reversal of 126242057294 is 492750242621.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31560514322 + ... + 31560514325.

It is an arithmetic number, because the mean of its divisors is an integer number (47340771486).

Almost surely, 2^126242057294 is an apocalyptic number.

126242057294 is a deficient number, since it is larger than the sum of its proper divisors (63121028650).

126242057294 is an equidigital number, since it uses as much as digits as its factorization.

126242057294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63121028649.

The product of its (nonzero) digits is 483840, while the sum is 44.

The spelling of 126242057294 in words is "one hundred twenty-six billion, two hundred forty-two million, fifty-seven thousand, two hundred ninety-four".