1078117971 has 32 divisors (see below), whose sum is σ = 1682370048. Its totient is φ = 601413120.

The previous prime is 1078117967. The next prime is 1078117987. The reversal of 1078117971 is 1797118701.

It is not a de Polignac number, because 1078117971 - 2² = 1078117967 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1078117921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 155601 + ... + 162381.

It is an arithmetic number, because the mean of its divisors is an integer number (52574064).

Almost surely, 2^1078117971 is an apocalyptic number.

1078117971 is a deficient number, since it is larger than the sum of its proper divisors (604252077).

1078117971 is a wasteful number, since it uses less digits than its factorization.

1078117971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6971.

The product of its (nonzero) digits is 24696, while the sum is 42.

The square root of 1078117971 is about 32834.7068054521. The cubic root of 1078117971 is about 1025.3892540221.

The spelling of 1078117971 in words is "one billion, seventy-eight million, one hundred seventeen thousand, nine hundred seventy-one".