142120697 has 8 divisors (see below), whose sum is σ = 150628896. Its totient is φ = 133628992.

The previous prime is 142120687. The next prime is 142120751. The reversal of 142120697 is 796021241.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142120697 - 2⁴ = 142120681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142120687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16658 + ... + 23700.

It is an arithmetic number, because the mean of its divisors is an integer number (18828612).

Almost surely, 2^142120697 is an apocalyptic number.

142120697 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

142120697 is a deficient number, since it is larger than the sum of its proper divisors (8508199).

142120697 is a wasteful number, since it uses less digits than its factorization.

142120697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8247.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 142120697 is about 11921.4385457461. The cubic root of 142120697 is about 521.8581170247.

The spelling of 142120697 in words is "one hundred forty-two million, one hundred twenty thousand, six hundred ninety-seven".