260834121 has 16 divisors (see below), whose sum is σ = 387284800. Its totient is φ = 173500704.

The previous prime is 260834117. The next prime is 260834137. The reversal of 260834121 is 121438062.

260834121 = 8² + 9² + ... + 921².

260834121 is a `hidden beast` number, since 2 + 608 + 34 + 1 + 21 = 666.

It is not a de Polignac number, because 260834121 - 2² = 260834117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (260834141) 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, 1770 + ... + 22908.

It is an arithmetic number, because the mean of its divisors is an integer number (24205300).

Almost surely, 2^260834121 is an apocalyptic number.

It is an amenable number.

260834121 is a deficient number, since it is larger than the sum of its proper divisors (126450679).

260834121 is a wasteful number, since it uses less digits than its factorization.

260834121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21605 (or 21599 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 260834121 is about 16150.3597792743. The cubic root of 260834121 is about 638.9322372985.

The spelling of 260834121 in words is "two hundred sixty million, eight hundred thirty-four thousand, one hundred twenty-one".