1225111076 has 12 divisors (see below), whose sum is σ = 2450222208. Its totient is φ = 525047592.

The previous prime is 1225110973. The next prime is 1225111081. The reversal of 1225111076 is 6701115221.

1225111076 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21876956 + ... + 21877011.

It is an arithmetic number, because the mean of its divisors is an integer number (204185184).

Almost surely, 2^1225111076 is an apocalyptic number.

It is an amenable number.

1225111076 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1225111076 is a wasteful number, since it uses less digits than its factorization.

1225111076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43753978 (or 43753976 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 26.

The square root of 1225111076 is about 35001.5867640311. The cubic root of 1225111076 is about 1070.0198197045.

Adding to 1225111076 its reverse (6701115221), we get a palindrome (7926226297).

The spelling of 1225111076 in words is "one billion, two hundred twenty-five million, one hundred eleven thousand, seventy-six".