1515245130 has 120 divisors (see below), whose sum is σ = 4739645988. Its totient is φ = 346332672.

The previous prime is 1515245119. The next prime is 1515245141. The reversal of 1515245130 is 315425151.

1515245130 is a `hidden beast` number, since 1 + 5 + 1 + 524 + 5 + 130 = 666.

It is an interprime number because it is at equal distance from previous prime (1515245119) and next prime (1515245141).

It can be written as a sum of positive squares in 2 ways, for example, as 1321395201 + 193849929 = 36351^2 + 13923^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1515245094 and 1515245103.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 20602 + ... + 58778.

Almost surely, 2^1515245130 is an apocalyptic number.

1515245130 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 1515245130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2369822994).

1515245130 is an abundant number, since it is smaller than the sum of its proper divisors (3224400858).

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

1515245130 is a wasteful number, since it uses less digits than its factorization.

1515245130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38210 (or 38194 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 1515245130 is about 38926.1496940039. The cubic root of 1515245130 is about 1148.5792486261.

The spelling of 1515245130 in words is "one billion, five hundred fifteen million, two hundred forty-five thousand, one hundred thirty".