102381501 has 4 divisors (see below), whose sum is σ = 136508672. Its totient is φ = 68254332.

The previous prime is 102381457. The next prime is 102381509. The reversal of 102381501 is 105183201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 102381501 - 2⁷ = 102381373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102381509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17063581 + ... + 17063586.

It is an arithmetic number, because the mean of its divisors is an integer number (34127168).

Almost surely, 2^102381501 is an apocalyptic number.

It is an amenable number.

102381501 is a deficient number, since it is larger than the sum of its proper divisors (34127171).

102381501 is an equidigital number, since it uses as much as digits as its factorization.

102381501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34127170.

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 102381501 is about 10118.3744247779. The cubic root of 102381501 is about 467.8146638111.

The spelling of 102381501 in words is "one hundred two million, three hundred eighty-one thousand, five hundred one".