1171489402 has 8 divisors (see below), whose sum is σ = 1771070976. Its totient is φ = 581132412.

The previous prime is 1171489399. The next prime is 1171489409. The reversal of 1171489402 is 2049841711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1171489409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2305828 + ... + 2306335.

It is an arithmetic number, because the mean of its divisors is an integer number (221383872).

Almost surely, 2^1171489402 is an apocalyptic number.

1171489402 is a deficient number, since it is larger than the sum of its proper divisors (599581574).

1171489402 is a wasteful number, since it uses less digits than its factorization.

1171489402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4612292.

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 1171489402 is about 34227.0273614289. The cubic root of 1171489402 is about 1054.1751830488.

The spelling of 1171489402 in words is "one billion, one hundred seventy-one million, four hundred eighty-nine thousand, four hundred two".