1501420536 has 160 divisors (see below), whose sum is σ = 5243230080. Its totient is φ = 389966400.

The previous prime is 1501420523. The next prime is 1501420549. The reversal of 1501420536 is 6350241051.

It is an interprime number because it is at equal distance from previous prime (1501420523) and next prime (1501420549).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 34851 + ... + 64941.

It is an arithmetic number, because the mean of its divisors is an integer number (32770188).

Almost surely, 2^1501420536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1501420536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2621615040).

1501420536 is an abundant number, since it is smaller than the sum of its proper divisors (3741809544).

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

1501420536 is a wasteful number, since it uses less digits than its factorization.

1501420536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30127 (or 30114 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 1501420536 is about 38748.1681631532. The cubic root of 1501420536 is about 1145.0754858289.

Adding to 1501420536 its reverse (6350241051), we get a palindrome (7851661587).

The spelling of 1501420536 in words is "one billion, five hundred one million, four hundred twenty thousand, five hundred thirty-six".