102591030 has 16 divisors (see below), whose sum is σ = 246218544. Its totient is φ = 27357600.

The previous prime is 102591019. The next prime is 102591031. The reversal of 102591030 is 30195201.

It is a junction number, because it is equal to n+sod(n) for n = 102590988 and 102591006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102591031) 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, 1709821 + ... + 1709880.

It is an arithmetic number, because the mean of its divisors is an integer number (15388659).

Almost surely, 2^102591030 is an apocalyptic number.

102591030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102591030 is an abundant number, since it is smaller than the sum of its proper divisors (143627514).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102591030 is a wasteful number, since it uses less digits than its factorization.

102591030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3419711.

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 102591030 is about 10128.7230192162. The cubic root of 102591030 is about 468.1335819278.

The spelling of 102591030 in words is "one hundred two million, five hundred ninety-one thousand, thirty".