1242014156 has 12 divisors (see below), whose sum is σ = 2183101368. Its totient is φ = 618270912.

The previous prime is 1242014149. The next prime is 1242014161. The reversal of 1242014156 is 6514102421.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 683021 + ... + 684836.

It is an arithmetic number, because the mean of its divisors is an integer number (181925114).

Almost surely, 2^1242014156 is an apocalyptic number.

It is an amenable number.

1242014156 is a deficient number, since it is larger than the sum of its proper divisors (941087212).

1242014156 is a wasteful number, since it uses less digits than its factorization.

1242014156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1368088 (or 1368086 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 1242014156 is about 35242.2212126307. The cubic root of 1242014156 is about 1074.9184451561.

Adding to 1242014156 its reverse (6514102421), we get a palindrome (7756116577).

The spelling of 1242014156 in words is "one billion, two hundred forty-two million, fourteen thousand, one hundred fifty-six".