2090121054 has 16 divisors (see below), whose sum is σ = 4777419648. Its totient is φ = 597177432.

The previous prime is 2090121041. The next prime is 2090121071. The reversal of 2090121054 is 4501210902.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 24882352 + ... + 24882435.

It is an arithmetic number, because the mean of its divisors is an integer number (298588728).

Almost surely, 2^2090121054 is an apocalyptic number.

2090121054 is an abundant number, since it is smaller than the sum of its proper divisors (2687298594).

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

2090121054 is a wasteful number, since it uses less digits than its factorization.

2090121054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49764799.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 2090121054 is about 45717.8417469591. The cubic root of 2090121054 is about 1278.5679488073.

Adding to 2090121054 its reverse (4501210902), we get a palindrome (6591331956).

The spelling of 2090121054 in words is "two billion, ninety million, one hundred twenty-one thousand, fifty-four".