1242428852 has 24 divisors (see below), whose sum is σ = 2486210496. Its totient is φ = 532179648.

The previous prime is 1242428827. The next prime is 1242428861. The reversal of 1242428852 is 2588242421.

It is a congruent number.

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, 45008 + ... + 67160.

It is an arithmetic number, because the mean of its divisors is an integer number (103592104).

Almost surely, 2^1242428852 is an apocalyptic number.

It is an amenable number.

1242428852 is an abundant number, since it is smaller than the sum of its proper divisors (1243781644).

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

1242428852 is a wasteful number, since it uses less digits than its factorization.

1242428852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24167 (or 24165 counting only the distinct ones).

The product of its digits is 81920, while the sum is 38.

The square root of 1242428852 is about 35248.1042327102. The cubic root of 1242428852 is about 1075.0380666527.

The spelling of 1242428852 in words is "one billion, two hundred forty-two million, four hundred twenty-eight thousand, eight hundred fifty-two".