103019904 has 128 divisors (see below), whose sum is σ = 327583200. Its totient is φ = 31684608.

The previous prime is 103019897. The next prime is 103019923. The reversal of 103019904 is 409910301.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×103019904² = 21226201240338432, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43782 + ... + 46074.

Almost surely, 2^103019904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103019904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163791600).

103019904 is an abundant number, since it is smaller than the sum of its proper divisors (224563296).

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

103019904 is a wasteful number, since it uses less digits than its factorization.

103019904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2329 (or 2311 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 103019904 is about 10149.8721174210. The cubic root of 103019904 is about 468.7850073055.

The spelling of 103019904 in words is "one hundred three million, nineteen thousand, nine hundred four".