102749967 has 12 divisors (see below), whose sum is σ = 156228280. Its totient is φ = 64894608.

The previous prime is 102749963. The next prime is 102750001. The reversal of 102749967 is 769947201.

It is not a de Polignac number, because 102749967 - 2² = 102749963 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102749963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 300268 + ... + 300609.

Almost surely, 2^102749967 is an apocalyptic number.

102749967 is a deficient number, since it is larger than the sum of its proper divisors (53478313).

102749967 is a wasteful number, since it uses less digits than its factorization.

102749967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600902 (or 600899 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The square root of 102749967 is about 10136.5658385866. The cubic root of 102749967 is about 468.3752059026.

The spelling of 102749967 in words is "one hundred two million, seven hundred forty-nine thousand, nine hundred sixty-seven".