1242112482 has 126 divisors (see below), whose sum is σ = 3068091441. Its totient is φ = 376805520.

The previous prime is 1242112481. The next prime is 1242112519. The reversal of 1242112482 is 2842112421.

It can be written as a sum of positive squares in 2 ways, for example, as 1062042921 + 180069561 = 32589^2 + 13419^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=24921.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1242112481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 62 ways as a sum of consecutive naturals, for example, 17494507 + ... + 17494577.

Almost surely, 2^1242112482 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1242112482

1242112482 is an abundant number, since it is smaller than the sum of its proper divisors (1825978959).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1242112482 is an frugal number, since it uses more digits than its factorization.

1242112482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188 (or 89 counting only the distinct ones).

The product of its digits is 2048, while the sum is 27.

The square root of 1242112482 is about 35243.6161878999. The cubic root of 1242112482 is about 1074.9468102762.

Multiplying 1242112482 by its product of digits (2048), we get a square (2543846363136 = 1594944²).

The spelling of 1242112482 in words is "one billion, two hundred forty-two million, one hundred twelve thousand, four hundred eighty-two".