126013772 has 6 divisors (see below), whose sum is σ = 220524108. Its totient is φ = 63006884.

The previous prime is 126013759. The next prime is 126013781. The reversal of 126013772 is 277310621.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15751718 + ... + 15751725.

It is an arithmetic number, because the mean of its divisors is an integer number (36754018).

Almost surely, 2^126013772 is an apocalyptic number.

It is an amenable number.

126013772 is a deficient number, since it is larger than the sum of its proper divisors (94510336).

126013772 is a wasteful number, since it uses less digits than its factorization.

126013772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31503447 (or 31503445 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 126013772 is about 11225.5855971971. The cubic root of 126013772 is about 501.3480582118.

The spelling of 126013772 in words is "one hundred twenty-six million, thirteen thousand, seven hundred seventy-two".