1121500242 has 20 divisors (see below), whose sum is σ = 2512991646. Its totient is φ = 373833360.

The previous prime is 1121500231. The next prime is 1121500283. The reversal of 1121500242 is 2420051211.

1121500242 is a `hidden beast` number, since 1 + 121 + 500 + 2 + 42 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1038708441 + 82791801 = 32229^2 + 9099^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3461259 + ... + 3461582.

Almost surely, 2^1121500242 is an apocalyptic number.

1121500242 is an abundant number, since it is smaller than the sum of its proper divisors (1391491404).

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

1121500242 is an equidigital number, since it uses as much as digits as its factorization.

1121500242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6922855 (or 6922846 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 1121500242 is about 33488.8077124283. The cubic root of 1121500242 is about 1038.9623038276.

Adding to 1121500242 its reverse (2420051211), we get a palindrome (3541551453).

The spelling of 1121500242 in words is "one billion, one hundred twenty-one million, five hundred thousand, two hundred forty-two".