1242020760 has 32 divisors (see below), whose sum is σ = 3726062640. Its totient is φ = 331205504.

The previous prime is 1242020743. The next prime is 1242020761. The reversal of 1242020760 is 670202421.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1242020760.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242020761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5174967 + ... + 5175206.

Almost surely, 2^1242020760 is an apocalyptic number.

1242020760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1242020760 is an abundant number, since it is smaller than the sum of its proper divisors (2484041880).

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

1242020760 is a wasteful number, since it uses less digits than its factorization.

1242020760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10350187 (or 10350183 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 1242020760 is about 35242.3149069411. The cubic root of 1242020760 is about 1074.9203503273.

The spelling of 1242020760 in words is "one billion, two hundred forty-two million, twenty thousand, seven hundred sixty".