100401251 has 8 divisors (see below), whose sum is σ = 103396608. Its totient is φ = 97432000.

The previous prime is 100401241. The next prime is 100401299. The reversal of 100401251 is 152104001.

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 100401251 - 2²² = 96206947 is a prime.

It is a super-2 number, since 2×100401251² = 20160822404730002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100401221) 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, 1421 + ... + 14241.

It is an arithmetic number, because the mean of its divisors is an integer number (12924576).

Almost surely, 2^100401251 is an apocalyptic number.

100401251 is a deficient number, since it is larger than the sum of its proper divisors (2995357).

100401251 is a wasteful number, since it uses less digits than its factorization.

100401251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13053.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 100401251 is about 10020.0424649799. The cubic root of 100401251 is about 464.7788689201.

Adding to 100401251 its reverse (152104001), we get a palindrome (252505252).

The spelling of 100401251 in words is "one hundred million, four hundred one thousand, two hundred fifty-one".