1242164760 has 64 divisors (see below), whose sum is σ = 3789676800. Its totient is φ = 325627776.

The previous prime is 1242164747. The next prime is 1242164773. The reversal of 1242164760 is 674612421.

It is an interprime number because it is at equal distance from previous prime (1242164747) and next prime (1242164773).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 80644 + ... + 94803.

It is an arithmetic number, because the mean of its divisors is an integer number (59213700).

Almost surely, 2^1242164760 is an apocalyptic number.

1242164760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1242164760 is an abundant number, since it is smaller than the sum of its proper divisors (2547512040).

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

1242164760 is a wasteful number, since it uses less digits than its factorization.

1242164760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175520 (or 175516 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 1242164760 is about 35244.3578463277. The cubic root of 1242164760 is about 1074.9618908430.

The spelling of 1242164760 in words is "one billion, two hundred forty-two million, one hundred sixty-four thousand, seven hundred sixty".