1242670750 has 16 divisors (see below), whose sum is σ = 2326280112. Its totient is φ = 497068200.

The previous prime is 1242670729. The next prime is 1242670753. The reversal of 1242670750 is 570762421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242670753) 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, 2485092 + ... + 2485591.

It is an arithmetic number, because the mean of its divisors is an integer number (145392507).

Almost surely, 2^1242670750 is an apocalyptic number.

1242670750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1242670750 is a deficient number, since it is larger than the sum of its proper divisors (1083609362).

1242670750 is an equidigital number, since it uses as much as digits as its factorization.

1242670750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4970700 (or 4970690 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 1242670750 is about 35251.5354275527. The cubic root of 1242670750 is about 1075.1078312601.

The spelling of 1242670750 in words is "one billion, two hundred forty-two million, six hundred seventy thousand, seven hundred fifty".