102591051 has 8 divisors (see below), whose sum is σ = 143987520. Its totient is φ = 64794312.

The previous prime is 102591043. The next prime is 102591079. The reversal of 102591051 is 150195201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102591051 - 2³ = 102591043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102591001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 899865 + ... + 899978.

It is an arithmetic number, because the mean of its divisors is an integer number (17998440).

Almost surely, 2^102591051 is an apocalyptic number.

102591051 is a deficient number, since it is larger than the sum of its proper divisors (41396469).

102591051 is a wasteful number, since it uses less digits than its factorization.

102591051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1799865.

The product of its (nonzero) digits is 450, while the sum is 24.

The square root of 102591051 is about 10128.7240558720. The cubic root of 102591051 is about 468.1336138695.

The spelling of 102591051 in words is "one hundred two million, five hundred ninety-one thousand, fifty-one".