1225076169 has 8 divisors (see below), whose sum is σ = 1633898560. Its totient is φ = 816485616.

The previous prime is 1225076161. The next prime is 1225076183. The reversal of 1225076169 is 9616705221.

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

It is not a de Polignac number, because 1225076169 - 2³ = 1225076161 is a prime.

It is a super-2 number, since 2×1225076169² = 3001623239703433122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1225076161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45229 + ... + 67050.

It is an arithmetic number, because the mean of its divisors is an integer number (204237320).

Almost surely, 2^1225076169 is an apocalyptic number.

It is an amenable number.

1225076169 is a deficient number, since it is larger than the sum of its proper divisors (408822391).

1225076169 is a wasteful number, since it uses less digits than its factorization.

1225076169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115919.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 1225076169 is about 35001.0881116573. The cubic root of 1225076169 is about 1070.0096569426.

The spelling of 1225076169 in words is "one billion, two hundred twenty-five million, seventy-six thousand, one hundred sixty-nine".