2026257121 has 8 divisors (see below), whose sum is σ = 2315998080. Its totient is φ = 1736585088.

The previous prime is 2026257113. The next prime is 2026257139. The reversal of 2026257121 is 1217526202.

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

It is not a de Polignac number, because 2026257121 - 2³ = 2026257113 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2026257121.

It is not an unprimeable number, because it can be changed into a prime (2026254121) 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, 91665 + ... + 111601.

It is an arithmetic number, because the mean of its divisors is an integer number (289499760).

Almost surely, 2^2026257121 is an apocalyptic number.

It is an amenable number.

2026257121 is a deficient number, since it is larger than the sum of its proper divisors (289740959).

2026257121 is a wasteful number, since it uses less digits than its factorization.

2026257121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34463.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 2026257121 is about 45013.9658439467. The cubic root of 2026257121 is about 1265.4107455033.

The spelling of 2026257121 in words is "two billion, twenty-six million, two hundred fifty-seven thousand, one hundred twenty-one".