102154013 has 8 divisors (see below), whose sum is σ = 115802400. Its totient is φ = 89332848.

The previous prime is 102154009. The next prime is 102154027. The reversal of 102154013 is 310451201.

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

It is a cyclic number.

It is not a de Polignac number, because 102154013 - 2² = 102154009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102153982 and 102154000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102154093) 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, 206543 + ... + 207036.

It is an arithmetic number, because the mean of its divisors is an integer number (14475300).

Almost surely, 2^102154013 is an apocalyptic number.

102154013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

102154013 is a deficient number, since it is larger than the sum of its proper divisors (13648387).

102154013 is a wasteful number, since it uses less digits than its factorization.

102154013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413611.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 102154013 is about 10107.1268419863. The cubic root of 102154013 is about 467.4679177656.

The spelling of 102154013 in words is "one hundred two million, one hundred fifty-four thousand, thirteen".