101242044 has 36 divisors (see below), whose sum is σ = 267046416. Its totient is φ = 32279808.

The previous prime is 101242019. The next prime is 101242069. The reversal of 101242044 is 440242101.

It is an interprime number because it is at equal distance from previous prime (101242019) and next prime (101242069).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60309 + ... + 61964.

It is an arithmetic number, because the mean of its divisors is an integer number (7417956).

Almost surely, 2^101242044 is an apocalyptic number.

It is an amenable number.

101242044 is an abundant number, since it is smaller than the sum of its proper divisors (165804372).

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

101242044 is a wasteful number, since it uses less digits than its factorization.

101242044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122306 (or 122301 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 101242044 is about 10061.9105541642. The cubic root of 101242044 is about 466.0726676020.

Adding to 101242044 its reverse (440242101), we get a palindrome (541484145).

The spelling of 101242044 in words is "one hundred one million, two hundred forty-two thousand, forty-four".