1247980674 has 8 divisors (see below), whose sum is σ = 2495961360. Its totient is φ = 415993556.

The previous prime is 1247980607. The next prime is 1247980691. The reversal of 1247980674 is 4760897421.

It is a sphenic number, since it is the product of 3 distinct primes.

1247980674 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103998384 + ... + 103998395.

It is an arithmetic number, because the mean of its divisors is an integer number (311995170).

Almost surely, 2^1247980674 is an apocalyptic number.

1247980674 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1247980674 is a wasteful number, since it uses less digits than its factorization.

1247980674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207996784.

The product of its (nonzero) digits is 677376, while the sum is 48.

The square root of 1247980674 is about 35326.7699344279. The cubic root of 1247980674 is about 1076.6369649119.

The spelling of 1247980674 in words is "one billion, two hundred forty-seven million, nine hundred eighty thousand, six hundred seventy-four".