1242122952 has 96 divisors (see below), whose sum is σ = 3824845920. Its totient is φ = 334010880.

The previous prime is 1242122951. The next prime is 1242122953. The reversal of 1242122952 is 2592212421.

It is an interprime number because it is at equal distance from previous prime (1242122951) and next prime (1242122953).

It is not an unprimeable number, because it can be changed into a prime (1242122951) 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 23 ways as a sum of consecutive naturals, for example, 11074 + ... + 51057.

It is an arithmetic number, because the mean of its divisors is an integer number (39842145).

Almost surely, 2^1242122952 is an apocalyptic number.

1242122952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1242122952 is an abundant number, since it is smaller than the sum of its proper divisors (2582722968).

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

1242122952 is a wasteful number, since it uses less digits than its factorization.

1242122952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62171 (or 62160 counting only the distinct ones).

The product of its digits is 5760, while the sum is 30.

The square root of 1242122952 is about 35243.7647251255. The cubic root of 1242122952 is about 1074.9498305774.

The spelling of 1242122952 in words is "one billion, two hundred forty-two million, one hundred twenty-two thousand, nine hundred fifty-two".