1225050453 has 32 divisors (see below), whose sum is σ = 2013465600. Its totient is φ = 729860400.

The previous prime is 1225050397. The next prime is 1225050473. The reversal of 1225050453 is 3540505221.

It is a happy number.

It is not a de Polignac number, because 1225050453 - 2⁶ = 1225050389 is a prime.

It is a super-2 number, since 2×1225050453² = 3001497224791010418, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225050473) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17433 + ... + 52478.

It is an arithmetic number, because the mean of its divisors is an integer number (62920800).

Almost surely, 2^1225050453 is an apocalyptic number.

It is an amenable number.

1225050453 is a deficient number, since it is larger than the sum of its proper divisors (788415147).

1225050453 is a wasteful number, since it uses less digits than its factorization.

1225050453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69990 (or 69984 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 1225050453 is about 35000.7207497217. The cubic root of 1225050453 is about 1070.0021699085.

Adding to 1225050453 its reverse (3540505221), we get a palindrome (4765555674).

The spelling of 1225050453 in words is "one billion, two hundred twenty-five million, fifty thousand, four hundred fifty-three".