2054121051 has 16 divisors (see below), whose sum is σ = 2828732544. Its totient is φ = 1325057664.

The previous prime is 2054121019. The next prime is 2054121059. The reversal of 2054121051 is 1501214502.

It is not a de Polignac number, because 2054121051 - 2⁵ = 2054121019 is a prime.

It is a super-2 number, since 2×2054121051² = 8438826584322689202, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2054121059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60606 + ... + 88211.

It is an arithmetic number, because the mean of its divisors is an integer number (176795784).

Almost surely, 2^2054121051 is an apocalyptic number.

2054121051 is a deficient number, since it is larger than the sum of its proper divisors (774611493).

2054121051 is a wasteful number, since it uses less digits than its factorization.

2054121051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148970.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 2054121051 is about 45322.4122372144. The cubic root of 2054121051 is about 1271.1847606590.

Adding to 2054121051 its reverse (1501214502), we get a palindrome (3555335553).

The spelling of 2054121051 in words is "two billion, fifty-four million, one hundred twenty-one thousand, fifty-one".