1225761063 has 4 divisors (see below), whose sum is σ = 1634348088. Its totient is φ = 817174040.

The previous prime is 1225761037. The next prime is 1225761071. The reversal of 1225761063 is 3601675221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1225761063 - 2⁶ = 1225760999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1235761063) 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, 204293508 + ... + 204293513.

It is an arithmetic number, because the mean of its divisors is an integer number (408587022).

Almost surely, 2^1225761063 is an apocalyptic number.

1225761063 is a deficient number, since it is larger than the sum of its proper divisors (408587025).

1225761063 is an equidigital number, since it uses as much as digits as its factorization.

1225761063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408587024.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 1225761063 is about 35010.8706404168. The cubic root of 1225761063 is about 1070.2090205105.

The spelling of 1225761063 in words is "one billion, two hundred twenty-five million, seven hundred sixty-one thousand, sixty-three".