142920079 has 2 divisors, whose sum is σ = 142920080. Its totient is φ = 142920078.

The previous prime is 142920061. The next prime is 142920101. The reversal of 142920079 is 970029241.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (970029241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142920079 - 2⁵ = 142920047 is a prime.

It is a super-2 number, since 2×142920079² = 40852297962732482, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142920979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71460039 + 71460040.

It is an arithmetic number, because the mean of its divisors is an integer number (71460040).

Almost surely, 2^142920079 is an apocalyptic number.

142920079 is a deficient number, since it is larger than the sum of its proper divisors (1).

142920079 is an equidigital number, since it uses as much as digits as its factorization.

142920079 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 34.

The square root of 142920079 is about 11954.9186111826. The cubic root of 142920079 is about 522.8347148331.

The spelling of 142920079 in words is "one hundred forty-two million, nine hundred twenty thousand, seventy-nine".