111253401 has 24 divisors (see below), whose sum is σ = 183942720. Its totient is φ = 63474336.

The previous prime is 111253399. The next prime is 111253421. The reversal of 111253401 is 104352111.

111253401 is a `hidden beast` number, since 1 + 11 + 253 + 401 = 666.

It is not a de Polignac number, because 111253401 - 2¹ = 111253399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111253421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63331 + ... + 65063.

It is an arithmetic number, because the mean of its divisors is an integer number (7664280).

Almost surely, 2^111253401 is an apocalyptic number.

It is an amenable number.

111253401 is a deficient number, since it is larger than the sum of its proper divisors (72689319).

111253401 is a wasteful number, since it uses less digits than its factorization.

111253401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2765 (or 2762 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 111253401 is about 10547.6727764943. The cubic root of 111253401 is about 480.9549867614.

The spelling of 111253401 in words is "one hundred eleven million, two hundred fifty-three thousand, four hundred one".