101244870 has 32 divisors (see below), whose sum is σ = 269987040. Its totient is φ = 26998560.

The previous prime is 101244799. The next prime is 101244889. The reversal of 101244870 is 78442101.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187221 + ... + 187760.

It is an arithmetic number, because the mean of its divisors is an integer number (8437095).

Almost surely, 2^101244870 is an apocalyptic number.

101244870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101244870 is an abundant number, since it is smaller than the sum of its proper divisors (168742170).

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

101244870 is a wasteful number, since it uses less digits than its factorization.

101244870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374997 (or 374991 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 101244870 is about 10062.0509837707. The cubic root of 101244870 is about 466.0770041044.

Adding to 101244870 its reverse (78442101), we get a palindrome (179686971).

The spelling of 101244870 in words is "one hundred one million, two hundred forty-four thousand, eight hundred seventy".