101404254 has 64 divisors (see below), whose sum is σ = 247080960. Its totient is φ = 27099360.

The previous prime is 101404241. The next prime is 101404267. The reversal of 101404254 is 452404101.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (101404241) and next prime (101404267).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 101404254.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65469 + ... + 66999.

It is an arithmetic number, because the mean of its divisors is an integer number (3860640).

Almost surely, 2^101404254 is an apocalyptic number.

101404254 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 101404254, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123540480).

101404254 is an abundant number, since it is smaller than the sum of its proper divisors (145676706).

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

101404254 is a wasteful number, since it uses less digits than its factorization.

101404254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1645.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 101404254 is about 10069.9679244772. The cubic root of 101404254 is about 466.3214486552.

Adding to 101404254 its reverse (452404101), we get a palindrome (553808355).

The spelling of 101404254 in words is "one hundred one million, four hundred four thousand, two hundred fifty-four".