2790248121 has 16 divisors (see below), whose sum is σ = 4190329920. Its totient is φ = 1834682400.

The previous prime is 2790248081. The next prime is 2790248159. The reversal of 2790248121 is 1218420972.

It is not a de Polignac number, because 2790248121 - 2¹¹ = 2790246073 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2790248171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 705855 + ... + 709796.

It is an arithmetic number, because the mean of its divisors is an integer number (261895620).

Almost surely, 2^2790248121 is an apocalyptic number.

It is an amenable number.

2790248121 is a deficient number, since it is larger than the sum of its proper divisors (1400081799).

2790248121 is a wasteful number, since it uses less digits than its factorization.

2790248121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1415733 (or 1415727 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 2790248121 is about 52822.7992537313. The cubic root of 2790248121 is about 1407.8215477459.

The spelling of 2790248121 in words is "two billion, seven hundred ninety million, two hundred forty-eight thousand, one hundred twenty-one".