1115000977 has 2 divisors, whose sum is σ = 1115000978. Its totient is φ = 1115000976.

The previous prime is 1115000927. The next prime is 1115001037. The reversal of 1115000977 is 7790005111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1108157521 + 6843456 = 33289^2 + 2616^2 .

It is a cyclic number.

It is not a de Polignac number, because 1115000977 - 2⁷ = 1115000849 is a prime.

It is not a weakly prime, because it can be changed into another prime (1115000927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 557500488 + 557500489.

It is an arithmetic number, because the mean of its divisors is an integer number (557500489).

Almost surely, 2^1115000977 is an apocalyptic number.

It is an amenable number.

1115000977 is a deficient number, since it is larger than the sum of its proper divisors (1).

1115000977 is an equidigital number, since it uses as much as digits as its factorization.

1115000977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2205, while the sum is 31.

The square root of 1115000977 is about 33391.6303435457. The cubic root of 1115000977 is about 1036.9514326902.

The spelling of 1115000977 in words is "one billion, one hundred fifteen million, nine hundred seventy-seven", and thus it is an aban number.