1225145023406 has 64 divisors (see below), whose sum is σ = 2009329680384. Its totient is φ = 558040665600.

The previous prime is 1225145023391. The next prime is 1225145023429. The reversal of 1225145023406 is 6043205415221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 151043291 + ... + 151051401.

It is an arithmetic number, because the mean of its divisors is an integer number (31395776256).

Almost surely, 2^{1225145023406} is an apocalyptic number.

1225145023406 is a deficient number, since it is larger than the sum of its proper divisors (784184656978).

1225145023406 is a wasteful number, since it uses less digits than its factorization.

1225145023406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9345.

The product of its (nonzero) digits is 57600, while the sum is 35.

The spelling of 1225145023406 in words is "one trillion, two hundred twenty-five billion, one hundred forty-five million, twenty-three thousand, four hundred six".