1242762752 has 160 divisors (see below), whose sum is σ = 3205509120. Its totient is φ = 467066880.

The previous prime is 1242762733. The next prime is 1242762769. The reversal of 1242762752 is 2572672421.

It is a happy number.

It is a super-2 number, since 2×1242762752² = 3088918515517227008, which contains 22 as substring.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

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, 1142753 + ... + 1143839.

It is an arithmetic number, because the mean of its divisors is an integer number (20034432).

Almost surely, 2^1242762752 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1242762752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1602754560).

1242762752 is an abundant number, since it is smaller than the sum of its proper divisors (1962746368).

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

1242762752 is a wasteful number, since it uses less digits than its factorization.

1242762752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152 (or 1136 counting only the distinct ones).

The product of its digits is 94080, while the sum is 38.

The square root of 1242762752 is about 35252.8403394677. The cubic root of 1242762752 is about 1075.1343627260.

The spelling of 1242762752 in words is "one billion, two hundred forty-two million, seven hundred sixty-two thousand, seven hundred fifty-two".