1226265260623 has 8 divisors (see below), whose sum is σ = 1366131060000. Its totient is φ = 1092904847328.

The previous prime is 1226265260599. The next prime is 1226265260639. The reversal of 1226265260623 is 3260625626221.

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

It is a cyclic number.

It is not a de Polignac number, because 1226265260623 - 2³³ = 1217675326031 is a prime.

It is a super-2 number, since 2×1226265260623² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1226265260623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226265260653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1626346123 + ... + 1626346876.

It is an arithmetic number, because the mean of its divisors is an integer number (170766382500).

Almost surely, 2^{1226265260623} is an apocalyptic number.

1226265260623 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1226265260623 is a deficient number, since it is larger than the sum of its proper divisors (139865799377).

1226265260623 is a wasteful number, since it uses less digits than its factorization.

1226265260623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3252693041.

The product of its (nonzero) digits is 622080, while the sum is 43.

The spelling of 1226265260623 in words is "one trillion, two hundred twenty-six billion, two hundred sixty-five million, two hundred sixty thousand, six hundred twenty-three".