1122401242 has 32 divisors (see below), whose sum is σ = 1776660480. Its totient is φ = 530774640.

The previous prime is 1122401237. The next prime is 1122401249. The reversal of 1122401242 is 2421042211.

It is not an unprimeable number, because it can be changed into a prime (1122401249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2231163 + ... + 2231665.

It is an arithmetic number, because the mean of its divisors is an integer number (55520640).

Almost surely, 2^1122401242 is an apocalyptic number.

1122401242 is a deficient number, since it is larger than the sum of its proper divisors (654259238).

1122401242 is a wasteful number, since it uses less digits than its factorization.

1122401242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 978.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 1122401242 is about 33502.2572672350. The cubic root of 1122401242 is about 1039.2404593516.

Adding to 1122401242 its reverse (2421042211), we get a palindrome (3543443453).

The spelling of 1122401242 in words is "one billion, one hundred twenty-two million, four hundred one thousand, two hundred forty-two".