1247442372574 has 16 divisors (see below), whose sum is σ = 1878098579712. Its totient is φ = 621410271768.

The previous prime is 1247442372569. The next prime is 1247442372587. The reversal of 1247442372574 is 4752732447421.

It is a super-2 number, since 2×1247442372574² (a number of 25 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 7 ways as a sum of consecutive naturals, for example, 3154417 + ... + 3527779.

It is an arithmetic number, because the mean of its divisors is an integer number (117381161232).

Almost surely, 2^{1247442372574} is an apocalyptic number.

1247442372574 is a deficient number, since it is larger than the sum of its proper divisors (630656207138).

1247442372574 is a wasteful number, since it uses less digits than its factorization.

1247442372574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379551.

The product of its digits is 10536960, while the sum is 52.

The spelling of 1247442372574 in words is "one trillion, two hundred forty-seven billion, four hundred forty-two million, three hundred seventy-two thousand, five hundred seventy-four".