1010099987 has 6 divisors (see below), whose sum is σ = 1093777092. Its totient is φ = 932399832.

The previous prime is 1010099941. The next prime is 1010099989. The reversal of 1010099987 is 7899900101.

It is not a de Polignac number, because 1010099987 - 2¹⁶ = 1010034451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1010099989) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2988293 + ... + 2988630.

It is an arithmetic number, because the mean of its divisors is an integer number (182296182).

Almost surely, 2^1010099987 is an apocalyptic number.

1010099987 is a deficient number, since it is larger than the sum of its proper divisors (83677105).

1010099987 is an equidigital number, since it uses as much as digits as its factorization.

1010099987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5976949 (or 5976936 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 44.

The square root of 1010099987 is about 31782.0702126215. The cubic root of 1010099987 is about 1003.3553910916.

The spelling of 1010099987 in words is "one billion, ten million, ninety-nine thousand, nine hundred eighty-seven".