1189850974 has 16 divisors (see below), whose sum is σ = 1929170880. Its totient is φ = 547132320.

The previous prime is 1189850971. The next prime is 1189850993. The reversal of 1189850974 is 4790589811.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1189850971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77389 + ... + 91480.

It is an arithmetic number, because the mean of its divisors is an integer number (120573180).

Almost surely, 2^1189850974 is an apocalyptic number.

1189850974 is a deficient number, since it is larger than the sum of its proper divisors (739319906).

1189850974 is a wasteful number, since it uses less digits than its factorization.

1189850974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169155.

The product of its (nonzero) digits is 725760, while the sum is 52.

The square root of 1189850974 is about 34494.2165297315. The cubic root of 1189850974 is about 1059.6542642476.

The spelling of 1189850974 in words is "one billion, one hundred eighty-nine million, eight hundred fifty thousand, nine hundred seventy-four".