1225972346 has 8 divisors (see below), whose sum is σ = 1878085440. Its totient is φ = 599943868.

The previous prime is 1225972343. The next prime is 1225972373. The reversal of 1225972346 is 6432795221.

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

It is not an unprimeable number, because it can be changed into a prime (1225972343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6521036 + ... + 6521223.

It is an arithmetic number, because the mean of its divisors is an integer number (234760680).

Almost surely, 2^1225972346 is an apocalyptic number.

1225972346 is a deficient number, since it is larger than the sum of its proper divisors (652113094).

1225972346 is a wasteful number, since it uses less digits than its factorization.

1225972346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13042308.

The product of its digits is 181440, while the sum is 41.

The square root of 1225972346 is about 35013.8879018026. The cubic root of 1225972346 is about 1070.2705072033.

The spelling of 1225972346 in words is "one billion, two hundred twenty-five million, nine hundred seventy-two thousand, three hundred forty-six".