1189960734 has 16 divisors (see below), whose sum is σ = 2420259840. Its totient is φ = 389930520.

The previous prime is 1189960727. The next prime is 1189960769. The reversal of 1189960734 is 4370699811.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1680382 + ... + 1681089.

It is an arithmetic number, because the mean of its divisors is an integer number (151266240).

Almost surely, 2^1189960734 is an apocalyptic number.

1189960734 is an abundant number, since it is smaller than the sum of its proper divisors (1230299106).

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

1189960734 is a wasteful number, since it uses less digits than its factorization.

1189960734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3361535.

The product of its (nonzero) digits is 326592, while the sum is 48.

The square root of 1189960734 is about 34495.8074843886. The cubic root of 1189960734 is about 1059.6868465004.

The spelling of 1189960734 in words is "one billion, one hundred eighty-nine million, nine hundred sixty thousand, seven hundred thirty-four".