1242037628 has 48 divisors (see below), whose sum is σ = 2499442176. Its totient is φ = 535550400.

The previous prime is 1242037609. The next prime is 1242037633. The reversal of 1242037628 is 8267302421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39353 + ... + 63503.

It is an arithmetic number, because the mean of its divisors is an integer number (52071712).

Almost surely, 2^1242037628 is an apocalyptic number.

It is an amenable number.

1242037628 is an abundant number, since it is smaller than the sum of its proper divisors (1257404548).

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

1242037628 is a wasteful number, since it uses less digits than its factorization.

1242037628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24234 (or 24232 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 1242037628 is about 35242.5542207145. The cubic root of 1242037628 is about 1074.9252165032.

The spelling of 1242037628 in words is "one billion, two hundred forty-two million, thirty-seven thousand, six hundred twenty-eight".