1242111032 has 16 divisors (see below), whose sum is σ = 2333747760. Its totient is φ = 619778304.

The previous prime is 1242111023. The next prime is 1242111037. The reversal of 1242111032 is 2301112421.

It is a super-2 number, since 2×1242111032² = 3085679631632210048, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1242111032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242111037) 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 3 ways as a sum of consecutive naturals, for example, 155513 + ... + 163304.

It is an arithmetic number, because the mean of its divisors is an integer number (145859235).

Almost surely, 2^1242111032 is an apocalyptic number.

It is an amenable number.

1242111032 is a deficient number, since it is larger than the sum of its proper divisors (1091636728).

1242111032 is a wasteful number, since it uses less digits than its factorization.

1242111032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319310 (or 319306 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1242111032 is about 35243.5956167926. The cubic root of 1242111032 is about 1074.9463919905.

Adding to 1242111032 its reverse (2301112421), we get a palindrome (3543223453).

The spelling of 1242111032 in words is "one billion, two hundred forty-two million, one hundred eleven thousand, thirty-two".