102251401 has 4 divisors (see below), whose sum is σ = 116858752. Its totient is φ = 87644052.

The previous prime is 102251393. The next prime is 102251411. The reversal of 102251401 is 104152201.

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, and also an emirpimes, since its reverse is a distinct semiprime: 104152201 = 727 ⋅143263.

It is a cyclic number.

It is not a de Polignac number, because 102251401 - 2³ = 102251393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102251411) 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, 7303665 + ... + 7303678.

It is an arithmetic number, because the mean of its divisors is an integer number (29214688).

Almost surely, 2^102251401 is an apocalyptic number.

It is an amenable number.

102251401 is a deficient number, since it is larger than the sum of its proper divisors (14607351).

102251401 is an equidigital number, since it uses as much as digits as its factorization.

102251401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14607350.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 102251401 is about 10111.9434828326. The cubic root of 102251401 is about 467.6164232906.

The spelling of 102251401 in words is "one hundred two million, two hundred fifty-one thousand, four hundred one".