1147955402 has 8 divisors (see below), whose sum is σ = 1878472512. Its totient is φ = 521797900.

The previous prime is 1147955383. The next prime is 1147955407. The reversal of 1147955402 is 2045597411.

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 (1147955407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26089874 + ... + 26089917.

It is an arithmetic number, because the mean of its divisors is an integer number (234809064).

Almost surely, 2^1147955402 is an apocalyptic number.

1147955402 is a deficient number, since it is larger than the sum of its proper divisors (730517110).

1147955402 is a wasteful number, since it uses less digits than its factorization.

1147955402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52179804.

The product of its (nonzero) digits is 50400, while the sum is 38.

The square root of 1147955402 is about 33881.4905516272. The cubic root of 1147955402 is about 1047.0682851396.

The spelling of 1147955402 in words is "one billion, one hundred forty-seven million, nine hundred fifty-five thousand, four hundred two".