1137299987 has 2 divisors, whose sum is σ = 1137299988. Its totient is φ = 1137299986.

The previous prime is 1137299981. The next prime is 1137300013. The reversal of 1137299987 is 7899927311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1137299987 - 2⁴ = 1137299971 is a prime.

It is not a weakly prime, because it can be changed into another prime (1137299981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 568649993 + 568649994.

It is an arithmetic number, because the mean of its divisors is an integer number (568649994).

Almost surely, 2^1137299987 is an apocalyptic number.

1137299987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1137299987 is an equidigital number, since it uses as much as digits as its factorization.

1137299987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1714608, while the sum is 56.

The square root of 1137299987 is about 33723.8785877307. The cubic root of 1137299987 is about 1043.8185520037.

The spelling of 1137299987 in words is "one billion, one hundred thirty-seven million, two hundred ninety-nine thousand, nine hundred eighty-seven".