101142259 has 2 divisors, whose sum is σ = 101142260. Its totient is φ = 101142258.

The previous prime is 101142253. The next prime is 101142277. The reversal of 101142259 is 952241101.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101142259 - 2¹³ = 101134067 is a prime.

It is not a weakly prime, because it can be changed into another prime (101142253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50571129 + 50571130.

It is an arithmetic number, because the mean of its divisors is an integer number (50571130).

Almost surely, 2^101142259 is an apocalyptic number.

101142259 is a deficient number, since it is larger than the sum of its proper divisors (1).

101142259 is an equidigital number, since it uses as much as digits as its factorization.

101142259 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 101142259 is about 10056.9507804304. The cubic root of 101142259 is about 465.9194955702.

The spelling of 101142259 in words is "one hundred one million, one hundred forty-two thousand, two hundred fifty-nine".