102381404 has 6 divisors (see below), whose sum is σ = 179167464. Its totient is φ = 51190700.

The previous prime is 102381373. The next prime is 102381407. The reversal of 102381404 is 404183201.

It is a super-2 number, since 2×102381404² = 20963903770022432, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102381404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102381407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12797672 + ... + 12797679.

It is an arithmetic number, because the mean of its divisors is an integer number (29861244).

Almost surely, 2^102381404 is an apocalyptic number.

It is an amenable number.

102381404 is a deficient number, since it is larger than the sum of its proper divisors (76786060).

102381404 is a wasteful number, since it uses less digits than its factorization.

102381404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25595355 (or 25595353 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 102381404 is about 10118.3696315167. The cubic root of 102381404 is about 467.8145160694.

The spelling of 102381404 in words is "one hundred two million, three hundred eighty-one thousand, four hundred four".