2147121753 has 8 divisors (see below), whose sum is σ = 3271804608. Its totient is φ = 1226926704.

The previous prime is 2147121703. The next prime is 2147121763. The reversal of 2147121753 is 3571217412.

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

It is not a de Polignac number, because 2147121753 - 2¹² = 2147117657 is a prime.

It is a super-2 number, since 2×2147121753² = 9220263644411586018, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2147121703) 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, 51121926 + ... + 51121967.

It is an arithmetic number, because the mean of its divisors is an integer number (408975576).

Almost surely, 2^2147121753 is an apocalyptic number.

It is an amenable number.

2147121753 is a deficient number, since it is larger than the sum of its proper divisors (1124682855).

2147121753 is a wasteful number, since it uses less digits than its factorization.

2147121753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102243903.

The product of its digits is 11760, while the sum is 33.

The square root of 2147121753 is about 46337.0451474843. The cubic root of 2147121753 is about 1290.0866782692.

The spelling of 2147121753 in words is "two billion, one hundred forty-seven million, one hundred twenty-one thousand, seven hundred fifty-three".