1142370239 has 2 divisors, whose sum is σ = 1142370240. Its totient is φ = 1142370238.

The previous prime is 1142370217. The next prime is 1142370277. The reversal of 1142370239 is 9320732411.

It is a weak prime.

It is an emirp because it is prime and its reverse (9320732411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1142370239 - 2⁸ = 1142369983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1142370209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571185119 + 571185120.

It is an arithmetic number, because the mean of its divisors is an integer number (571185120).

Almost surely, 2^1142370239 is an apocalyptic number.

1142370239 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142370239 is an equidigital number, since it uses as much as digits as its factorization.

1142370239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 1142370239 is about 33798.9680167901. The cubic root of 1142370239 is about 1045.3674185532.

The spelling of 1142370239 in words is "one billion, one hundred forty-two million, three hundred seventy thousand, two hundred thirty-nine".