1501120000 has 100 divisors (see below), whose sum is σ = 3748734396. Its totient is φ = 600320000.

The previous prime is 1501119979. The next prime is 1501120031. The reversal of 1501120000 is 211051.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (100).

It is a super-2 number, since 2×1501120000² = 4506722508800000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 317655 + ... + 322345.

Almost surely, 2^1501120000 is an apocalyptic number.

1501120000 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 1501120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1874367198).

1501120000 is an abundant number, since it is smaller than the sum of its proper divisors (2247614396).

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

1501120000 is an frugal number, since it uses more digits than its factorization.

1501120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4729 (or 4698 counting only the distinct ones).

The product of its (nonzero) digits is 10, while the sum is 10.

The square root of 1501120000 is about 38744.2899018681. The cubic root of 1501120000 is about 1144.9990783286. Note that the first 3 decimals are identical.

Adding to 1501120000 its reverse (211051), we get a palindrome (1501331051).

The spelling of 1501120000 in words is "one billion, five hundred one million, one hundred twenty thousand".