245611121 has 16 divisors (see below), whose sum is σ = 307463040. Its totient is φ = 191304960.

The previous prime is 245611103. The next prime is 245611123. The reversal of 245611121 is 121116542.

It is not a de Polignac number, because 245611121 - 2⁶ = 245611057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (245611123) 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, 32135 + ... + 39036.

It is an arithmetic number, because the mean of its divisors is an integer number (19216440).

Almost surely, 2^245611121 is an apocalyptic number.

It is an amenable number.

245611121 is a deficient number, since it is larger than the sum of its proper divisors (61851919).

245611121 is a wasteful number, since it uses less digits than its factorization.

245611121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71224.

The product of its digits is 480, while the sum is 23.

The square root of 245611121 is about 15671.9852284259. The cubic root of 245611121 is about 626.2523123196.

Adding to 245611121 its reverse (121116542), we get a palindrome (366727663).

The spelling of 245611121 in words is "two hundred forty-five million, six hundred eleven thousand, one hundred twenty-one".