1225733957946 has 32 divisors (see below), whose sum is σ = 2725341091200. Its totient is φ = 408354808320.

The previous prime is 1225733957941. The next prime is 1225733957947. The reversal of 1225733957946 is 6497593375221.

1225733957946 is a `hidden beast` number, since 1 + 2 + 2 + 57 + 3 + 3 + 9 + 579 + 4 + 6 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1225733957941) 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, 6099591 + ... + 6297338.

It is an arithmetic number, because the mean of its divisors is an integer number (85166909100).

Almost surely, 2^{1225733957946} is an apocalyptic number.

1225733957946 is an abundant number, since it is smaller than the sum of its proper divisors (1499607133254).

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

1225733957946 is a wasteful number, since it uses less digits than its factorization.

1225733957946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12398771 (or 12398765 counting only the distinct ones).

The product of its digits is 85730400, while the sum is 63.

The spelling of 1225733957946 in words is "one trillion, two hundred twenty-five billion, seven hundred thirty-three million, nine hundred fifty-seven thousand, nine hundred forty-six".