130122240 has 80 divisors (see below), whose sum is σ = 416009088. Its totient is φ = 34697216.

The previous prime is 130122227. The next prime is 130122253. The reversal of 130122240 is 42221031.

It is an interprime number because it is at equal distance from previous prime (130122227) and next prime (130122253).

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 792 + ... + 16151.

Almost surely, 2^130122240 is an apocalyptic number.

130122240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130122240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208004544).

130122240 is an abundant number, since it is smaller than the sum of its proper divisors (285886848).

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

130122240 is an equidigital number, since it uses as much as digits as its factorization.

130122240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16969 (or 16953 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 130122240 is about 11407.1135700492. The cubic root of 130122240 is about 506.7384324321.

Adding to 130122240 its reverse (42221031), we get a palindrome (172343271).

The spelling of 130122240 in words is "one hundred thirty million, one hundred twenty-two thousand, two hundred forty".