1180881402 has 16 divisors (see below), whose sum is σ = 2363165280. Its totient is φ = 393393392.

The previous prime is 1180881389. The next prime is 1180881409. The reversal of 1180881402 is 2041880811.

It is not an unprimeable number, because it can be changed into a prime (1180881409) 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, 47328 + ... + 67835.

It is an arithmetic number, because the mean of its divisors is an integer number (147697830).

Almost surely, 2^1180881402 is an apocalyptic number.

1180881402 is an abundant number, since it is smaller than the sum of its proper divisors (1182283878).

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

1180881402 is a wasteful number, since it uses less digits than its factorization.

1180881402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116877.

The product of its (nonzero) digits is 4096, while the sum is 33.

The square root of 1180881402 is about 34363.9549819284. The cubic root of 1180881402 is about 1056.9848461927.

The spelling of 1180881402 in words is "one billion, one hundred eighty million, eight hundred eighty-one thousand, four hundred two".