1244225051 has 8 divisors (see below), whose sum is σ = 1318387200. Its totient is φ = 1170930600.

The previous prime is 1244225039. The next prime is 1244225069. The reversal of 1244225051 is 1505224421.

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 1244225051 - 2²² = 1240030747 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1244225051.

It is not an unprimeable number, because it can be changed into a prime (1244225071) 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, 213971 + ... + 219708.

It is an arithmetic number, because the mean of its divisors is an integer number (164798400).

Almost surely, 2^1244225051 is an apocalyptic number.

1244225051 is a deficient number, since it is larger than the sum of its proper divisors (74162149).

1244225051 is a wasteful number, since it uses less digits than its factorization.

1244225051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433849.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 1244225051 is about 35273.5744006756. The cubic root of 1244225051 is about 1075.5558836940. Note that the first 3 decimals are identical.

Adding to 1244225051 its reverse (1505224421), we get a palindrome (2749449472).

The spelling of 1244225051 in words is "one billion, two hundred forty-four million, two hundred twenty-five thousand, fifty-one".