101400252 has 12 divisors (see below), whose sum is σ = 236600616. Its totient is φ = 33800080.

The previous prime is 101400227. The next prime is 101400253. The reversal of 101400252 is 252004101.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×101400252² = 20564022211327008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101400253) 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, 4224999 + ... + 4225022.

It is an arithmetic number, because the mean of its divisors is an integer number (19716718).

Almost surely, 2^101400252 is an apocalyptic number.

101400252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101400252 is an abundant number, since it is smaller than the sum of its proper divisors (135200364).

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

101400252 is a wasteful number, since it uses less digits than its factorization.

101400252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8450028 (or 8450026 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 101400252 is about 10069.7692128469. The cubic root of 101400252 is about 466.3153139915.

Adding to 101400252 its reverse (252004101), we get a palindrome (353404353).

The spelling of 101400252 in words is "one hundred one million, four hundred thousand, two hundred fifty-two".