112215401 has 4 divisors (see below), whose sum is σ = 114952404. Its totient is φ = 109478400.

The previous prime is 112215377. The next prime is 112215431. The reversal of 112215401 is 104512211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 55950400 + 56265001 = 7480^2 + 7501^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112215401 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 112215401.

It is not an unprimeable number, because it can be changed into a prime (112215431) 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, 1368440 + ... + 1368521.

It is an arithmetic number, because the mean of its divisors is an integer number (28738101).

Almost surely, 2^112215401 is an apocalyptic number.

It is an amenable number.

112215401 is a deficient number, since it is larger than the sum of its proper divisors (2737003).

112215401 is an equidigital number, since it uses as much as digits as its factorization.

112215401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2737002.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 112215401 is about 10593.1770966033. The cubic root of 112215401 is about 482.3372710476.

Adding to 112215401 its reverse (104512211), we get a palindrome (216727612).

The spelling of 112215401 in words is "one hundred twelve million, two hundred fifteen thousand, four hundred one".