1121752501 has 4 divisors (see below), whose sum is σ = 1137551904. Its totient is φ = 1105953100.

The previous prime is 1121752493. The next prime is 1121752517. The reversal of 1121752501 is 1052571211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1121752501 - 2³ = 1121752493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121752591) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7899595 + ... + 7899736.

It is an arithmetic number, because the mean of its divisors is an integer number (284387976).

Almost surely, 2^1121752501 is an apocalyptic number.

It is an amenable number.

1121752501 is a deficient number, since it is larger than the sum of its proper divisors (15799403).

1121752501 is an equidigital number, since it uses as much as digits as its factorization.

1121752501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15799402.

The product of its (nonzero) digits is 700, while the sum is 25.

The square root of 1121752501 is about 33492.5738186840. The cubic root of 1121752501 is about 1039.0401959029.

The spelling of 1121752501 in words is "one billion, one hundred twenty-one million, seven hundred fifty-two thousand, five hundred one".