1226257234953 has 4 divisors (see below), whose sum is σ = 1635009646608. Its totient is φ = 817504823300.

The previous prime is 1226257234897. The next prime is 1226257234963. The reversal of 1226257234953 is 3594327526221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1226257234953 - 2⁹ = 1226257234441 is a prime.

It is a super-3 number, since 3×1226257234953³ (a number of 37 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1226257234896 and 1226257234905.

It is not an unprimeable number, because it can be changed into a prime (1226257234963) 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, 204376205823 + ... + 204376205828.

It is an arithmetic number, because the mean of its divisors is an integer number (408752411652).

Almost surely, 2^{1226257234953} is an apocalyptic number.

It is an amenable number.

1226257234953 is a deficient number, since it is larger than the sum of its proper divisors (408752411655).

1226257234953 is an equidigital number, since it uses as much as digits as its factorization.

1226257234953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408752411654.

The product of its digits is 5443200, while the sum is 51.

The spelling of 1226257234953 in words is "one trillion, two hundred twenty-six billion, two hundred fifty-seven million, two hundred thirty-four thousand, nine hundred fifty-three".