142124297 has 4 divisors (see below), whose sum is σ = 162427776. Its totient is φ = 121820820.

The previous prime is 142124293. The next prime is 142124347. The reversal of 142124297 is 792421241.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 792421241 = 1097 ⋅722353.

It is a cyclic number.

It is not a de Polignac number, because 142124297 - 2² = 142124293 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142124293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10151729 + ... + 10151742.

It is an arithmetic number, because the mean of its divisors is an integer number (40606944).

Almost surely, 2^142124297 is an apocalyptic number.

It is an amenable number.

142124297 is a deficient number, since it is larger than the sum of its proper divisors (20303479).

142124297 is an equidigital number, since it uses as much as digits as its factorization.

142124297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20303478.

The product of its digits is 8064, while the sum is 32.

The square root of 142124297 is about 11921.5895332795. The cubic root of 142124297 is about 521.8625233108.

The spelling of 142124297 in words is "one hundred forty-two million, one hundred twenty-four thousand, two hundred ninety-seven".