112429621 has 2 divisors, whose sum is σ = 112429622. Its totient is φ = 112429620.

The previous prime is 112429613. The next prime is 112429657. The reversal of 112429621 is 126924211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84456100 + 27973521 = 9190^2 + 5289^2 .

It is an emirp because it is prime and its reverse (126924211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 112429621 - 2³ = 112429613 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 112429621.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112429661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56214810 + 56214811.

It is an arithmetic number, because the mean of its divisors is an integer number (56214811).

Almost surely, 2^112429621 is an apocalyptic number.

It is an amenable number.

112429621 is a deficient number, since it is larger than the sum of its proper divisors (1).

112429621 is an equidigital number, since it uses as much as digits as its factorization.

112429621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 28.

The square root of 112429621 is about 10603.2835008784. The cubic root of 112429621 is about 482.6440043739.

It can be divided in two parts, 112429 and 621, that added together give a triangular number (113050 = T₄₇₅).

The spelling of 112429621 in words is "one hundred twelve million, four hundred twenty-nine thousand, six hundred twenty-one".