101273142 has 32 divisors (see below), whose sum is σ = 207712512. Its totient is φ = 32905184.

The previous prime is 101273057. The next prime is 101273149. The reversal of 101273142 is 241372101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101273149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52153 + ... + 54059.

It is an arithmetic number, because the mean of its divisors is an integer number (6491016).

Almost surely, 2^101273142 is an apocalyptic number.

101273142 is an abundant number, since it is smaller than the sum of its proper divisors (106439370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101273142 is a wasteful number, since it uses less digits than its factorization.

101273142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2132.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 101273142 is about 10063.4557682736. The cubic root of 101273142 is about 466.1203831014.

The spelling of 101273142 in words is "one hundred one million, two hundred seventy-three thousand, one hundred forty-two".