142374121 has 2 divisors, whose sum is σ = 142374122. Its totient is φ = 142374120.

The previous prime is 142374107. The next prime is 142374203. The reversal of 142374121 is 121473241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 136048896 + 6325225 = 11664^2 + 2515^2 .

It is a cyclic number.

It is not a de Polignac number, because 142374121 - 2⁷ = 142373993 is a prime.

It is not a weakly prime, because it can be changed into another prime (142324121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71187060 + 71187061.

It is an arithmetic number, because the mean of its divisors is an integer number (71187061).

Almost surely, 2^142374121 is an apocalyptic number.

It is an amenable number.

142374121 is a deficient number, since it is larger than the sum of its proper divisors (1).

142374121 is an equidigital number, since it uses as much as digits as its factorization.

142374121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1344, while the sum is 25.

The square root of 142374121 is about 11932.0627303078. The cubic root of 142374121 is about 522.1681184145.

The spelling of 142374121 in words is "one hundred forty-two million, three hundred seventy-four thousand, one hundred twenty-one".