1242852764 has 6 divisors (see below), whose sum is σ = 2174992344. Its totient is φ = 621426380.

The previous prime is 1242852691. The next prime is 1242852781. The reversal of 1242852764 is 4672582421.

It is a happy number.

It is a super-3 number, since 3×1242852764³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155356592 + ... + 155356599.

It is an arithmetic number, because the mean of its divisors is an integer number (362498724).

Almost surely, 2^1242852764 is an apocalyptic number.

It is an amenable number.

1242852764 is a deficient number, since it is larger than the sum of its proper divisors (932139580).

1242852764 is a wasteful number, since it uses less digits than its factorization.

1242852764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310713195 (or 310713193 counting only the distinct ones).

The product of its digits is 215040, while the sum is 41.

The square root of 1242852764 is about 35254.1169794394. The cubic root of 1242852764 is about 1075.1603190499.

The spelling of 1242852764 in words is "one billion, two hundred forty-two million, eight hundred fifty-two thousand, seven hundred sixty-four".