116621250 has 80 divisors (see below), whose sum is σ = 294880608. Its totient is φ = 30736000.

The previous prime is 116621249. The next prime is 116621251. The reversal of 116621250 is 52126611.

It is an interprime number because it is at equal distance from previous prime (116621249) and next prime (116621251).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 116621250.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116621251) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 513637 + ... + 513863.

Almost surely, 2^116621250 is an apocalyptic number.

116621250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 116621250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147440304).

116621250 is an abundant number, since it is smaller than the sum of its proper divisors (178259358).

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

116621250 is a wasteful number, since it uses less digits than its factorization.

116621250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389 (or 374 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 116621250 is about 10799.1319095564. The cubic root of 116621250 is about 488.5689888586.

Adding to 116621250 its reverse (52126611), we get a palindrome (168747861).

The spelling of 116621250 in words is "one hundred sixteen million, six hundred twenty-one thousand, two hundred fifty".