101252420 has 12 divisors (see below), whose sum is σ = 212630124. Its totient is φ = 40500960.

The previous prime is 101252413. The next prime is 101252423. The reversal of 101252420 is 24252101.

It can be written as a sum of positive squares in 2 ways, for example, as 80604484 + 20647936 = 8978^2 + 4544^2 .

It is not an unprimeable number, because it can be changed into a prime (101252423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2531291 + ... + 2531330.

It is an arithmetic number, because the mean of its divisors is an integer number (17719177).

Almost surely, 2^101252420 is an apocalyptic number.

101252420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101252420 is an abundant number, since it is smaller than the sum of its proper divisors (111377704).

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

101252420 is a wasteful number, since it uses less digits than its factorization.

101252420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5062630 (or 5062628 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 101252420 is about 10062.4261487973. The cubic root of 101252420 is about 466.0885891981.

It can be divided in two parts, 10125 and 2420, that multiplied together give a square (24502500 = 4950²).

The spelling of 101252420 in words is "one hundred one million, two hundred fifty-two thousand, four hundred twenty".