1242301039 has 16 divisors (see below), whose sum is σ = 1453510656. Its totient is φ = 1039636800.

The previous prime is 1242300989. The next prime is 1242301097. The reversal of 1242301039 is 9301032421.

It is a cyclic number.

It is not a de Polignac number, because 1242301039 - 2²⁵ = 1208746607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242301439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137419 + ... + 146179.

It is an arithmetic number, because the mean of its divisors is an integer number (90844416).

Almost surely, 2^1242301039 is an apocalyptic number.

1242301039 is a deficient number, since it is larger than the sum of its proper divisors (211209617).

1242301039 is an equidigital number, since it uses as much as digits as its factorization.

1242301039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9246.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 1242301039 is about 35246.2911382176. The cubic root of 1242301039 is about 1075.0012010803.

The spelling of 1242301039 in words is "one billion, two hundred forty-two million, three hundred one thousand, thirty-nine".