1171897962 has 32 divisors (see below), whose sum is σ = 2391275520. Its totient is φ = 382768320.

The previous prime is 1171897949. The next prime is 1171898041. The reversal of 1171897962 is 2697981711.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92503 + ... + 104405.

It is an arithmetic number, because the mean of its divisors is an integer number (74727360).

Almost surely, 2^1171897962 is an apocalyptic number.

1171897962 is an abundant number, since it is smaller than the sum of its proper divisors (1219377558).

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

1171897962 is a wasteful number, since it uses less digits than its factorization.

1171897962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12238.

The product of its digits is 381024, while the sum is 51.

The square root of 1171897962 is about 34232.9952239064. The cubic root of 1171897962 is about 1054.2977175914.

The spelling of 1171897962 in words is "one billion, one hundred seventy-one million, eight hundred ninety-seven thousand, nine hundred sixty-two".