2154650122 has 16 divisors (see below), whose sum is σ = 3485059200. Its totient is φ = 995729760.

The previous prime is 2154650107. The next prime is 2154650129. The reversal of 2154650122 is 2210564512.

It is a super-3 number, since 3×2154650122³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (2154650129) 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, 689922 + ... + 693037.

It is an arithmetic number, because the mean of its divisors is an integer number (217816200).

Almost surely, 2^2154650122 is an apocalyptic number.

2154650122 is a deficient number, since it is larger than the sum of its proper divisors (1330409078).

2154650122 is a wasteful number, since it uses less digits than its factorization.

2154650122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1383021.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 2154650122 is about 46418.2089486443. The cubic root of 2154650122 is about 1291.5927129374.

The spelling of 2154650122 in words is "two billion, one hundred fifty-four million, six hundred fifty thousand, one hundred twenty-two".