125744342522 has 4 divisors (see below), whose sum is σ = 188616513786. Its totient is φ = 62872171260.

The previous prime is 125744342501. The next prime is 125744342653. The reversal of 125744342522 is 225243447521.

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

It can be written as a sum of positive squares in only one way, i.e., 110311001161 + 15433341361 = 332131^2 + 124231^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 125744342522.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31436085629 + ... + 31436085632.

Almost surely, 2^125744342522 is an apocalyptic number.

125744342522 is a deficient number, since it is larger than the sum of its proper divisors (62872171264).

125744342522 is an equidigital number, since it uses as much as digits as its factorization.

125744342522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62872171263.

The product of its digits is 537600, while the sum is 41.

The spelling of 125744342522 in words is "one hundred twenty-five billion, seven hundred forty-four million, three hundred forty-two thousand, five hundred twenty-two".