1242115130 has 16 divisors (see below), whose sum is σ = 2307930624. Its totient is φ = 480818640.

The previous prime is 1242115103. The next prime is 1242115151. The reversal of 1242115130 is 315112421.

It is a super-4 number, since 4×1242115130⁴ (a number of 37 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2003102 + ... + 2003721.

It is an arithmetic number, because the mean of its divisors is an integer number (144245664).

Almost surely, 2^1242115130 is an apocalyptic number.

1242115130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1242115130 is a deficient number, since it is larger than the sum of its proper divisors (1065815494).

1242115130 is a wasteful number, since it uses less digits than its factorization.

1242115130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4006861.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1242115130 is about 35243.6537549670. The cubic root of 1242115130 is about 1074.9475741515.

Adding to 1242115130 its reverse (315112421), we get a palindrome (1557227551).

The spelling of 1242115130 in words is "one billion, two hundred forty-two million, one hundred fifteen thousand, one hundred thirty".