1242031152 has 40 divisors (see below), whose sum is σ = 3397322736. Its totient is φ = 389656576.

The previous prime is 1242031093. The next prime is 1242031199. The reversal of 1242031152 is 2511302421.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 760233 + ... + 761864.

Almost surely, 2^1242031152 is an apocalyptic number.

1242031152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1242031152 is an abundant number, since it is smaller than the sum of its proper divisors (2155291584).

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

1242031152 is a wasteful number, since it uses less digits than its factorization.

1242031152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1522125 (or 1522119 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1242031152 is about 35242.4623430316. The cubic root of 1242031152 is about 1074.9233482753.

Adding to 1242031152 its reverse (2511302421), we get a palindrome (3753333573).

The spelling of 1242031152 in words is "one billion, two hundred forty-two million, thirty-one thousand, one hundred fifty-two".