1225304154 has 12 divisors (see below), whose sum is σ = 2654825706. Its totient is φ = 408434712.

The previous prime is 1225304149. The next prime is 1225304239. The reversal of 1225304154 is 4514035221.

1225304154 is a `hidden beast` number, since 122 + 530 + 4 + 1 + 5 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1219615929 + 5688225 = 34923^2 + 2385^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34036209 + ... + 34036244.

Almost surely, 2^1225304154 is an apocalyptic number.

1225304154 is an abundant number, since it is smaller than the sum of its proper divisors (1429521552).

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

1225304154 is a wasteful number, since it uses less digits than its factorization.

1225304154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68072461 (or 68072458 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 1225304154 is about 35004.3447874689. The cubic root of 1225304154 is about 1070.0760286036.

Adding to 1225304154 its reverse (4514035221), we get a palindrome (5739339375).

The spelling of 1225304154 in words is "one billion, two hundred twenty-five million, three hundred four thousand, one hundred fifty-four".