1225505453 has 16 divisors (see below), whose sum is σ = 1336681920. Its totient is φ = 1119557376.

The previous prime is 1225505447. The next prime is 1225505467. The reversal of 1225505453 is 3545055221.

It is a cyclic number.

It is not a de Polignac number, because 1225505453 - 2¹⁸ = 1225243309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225505443) 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, 71726 + ... + 87152.

It is an arithmetic number, because the mean of its divisors is an integer number (83542620).

Almost surely, 2^1225505453 is an apocalyptic number.

It is an amenable number.

1225505453 is a deficient number, since it is larger than the sum of its proper divisors (111176467).

1225505453 is a wasteful number, since it uses less digits than its factorization.

1225505453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15596.

The product of its (nonzero) digits is 30000, while the sum is 32.

The square root of 1225505453 is about 35007.2200124489. The cubic root of 1225505453 is about 1070.1346245146.

The spelling of 1225505453 in words is "one billion, two hundred twenty-five million, five hundred five thousand, four hundred fifty-three".