1195880994 has 72 divisors (see below), whose sum is σ = 3254946240. Its totient is φ = 310614480.

The previous prime is 1195880981. The next prime is 1195880999. The reversal of 1195880994 is 4990885911.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1195880994.

It is not an unprimeable number, because it can be changed into a prime (1195880999) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 23974 + ... + 54465.

Almost surely, 2^1195880994 is an apocalyptic number.

1195880994 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1195880994 is an abundant number, since it is smaller than the sum of its proper divisors (2059065246).

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

1195880994 is a wasteful number, since it uses less digits than its factorization.

1195880994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78476 (or 78462 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 54.

The square root of 1195880994 is about 34581.5123151085. The cubic root of 1195880994 is about 1061.4413150908.

The spelling of 1195880994 in words is "one billion, one hundred ninety-five million, eight hundred eighty thousand, nine hundred ninety-four".