1121501513 has 8 divisors (see below), whose sum is σ = 1223833536. Its totient is φ = 1019232400.

The previous prime is 1121501501. The next prime is 1121501569. The reversal of 1121501513 is 3151051211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1121501513 - 2⁶ = 1121501449 is a prime.

It is a super-2 number, since 2×1121501513² = 2515531287322578338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121501573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26495 + ... + 54267.

It is an arithmetic number, because the mean of its divisors is an integer number (152979192).

Almost surely, 2^1121501513 is an apocalyptic number.

It is an amenable number.

1121501513 is a deficient number, since it is larger than the sum of its proper divisors (102332023).

1121501513 is a wasteful number, since it uses less digits than its factorization.

1121501513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31455.

The product of its (nonzero) digits is 150, while the sum is 20.

The square root of 1121501513 is about 33488.8266889122. The cubic root of 1121501513 is about 1038.9626963139.

Adding to 1121501513 its reverse (3151051211), we get a palindrome (4272552724).

The spelling of 1121501513 in words is "one billion, one hundred twenty-one million, five hundred one thousand, five hundred thirteen".