1150623997 has 2 divisors, whose sum is σ = 1150623998. Its totient is φ = 1150623996.

The previous prime is 1150623989. The next prime is 1150624051. The reversal of 1150623997 is 7993260511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1019269476 + 131354521 = 31926^2 + 11461^2 .

It is a cyclic number.

It is not a de Polignac number, because 1150623997 - 2³ = 1150623989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1150623977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575311998 + 575311999.

It is an arithmetic number, because the mean of its divisors is an integer number (575311999).

Almost surely, 2^1150623997 is an apocalyptic number.

It is an amenable number.

1150623997 is a deficient number, since it is larger than the sum of its proper divisors (1).

1150623997 is an equidigital number, since it uses as much as digits as its factorization.

1150623997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 102060, while the sum is 43.

The square root of 1150623997 is about 33920.8490017570. The cubic root of 1150623997 is about 1047.8790131513.

The spelling of 1150623997 in words is "one billion, one hundred fifty million, six hundred twenty-three thousand, nine hundred ninety-seven".