1225050439 has 8 divisors (see below), whose sum is σ = 1256672592. Its totient is φ = 1193511360.

The previous prime is 1225050397. The next prime is 1225050473. The reversal of 1225050439 is 9340505221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1225050439 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1225050439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225050499) 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, 9672 + ... + 50434.

It is an arithmetic number, because the mean of its divisors is an integer number (157084074).

Almost surely, 2^1225050439 is an apocalyptic number.

1225050439 is a deficient number, since it is larger than the sum of its proper divisors (31622153).

1225050439 is an equidigital number, since it uses as much as digits as its factorization.

1225050439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41537.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 1225050439 is about 35000.7205497258. The cubic root of 1225050439 is about 1070.0021658325.

The spelling of 1225050439 in words is "one billion, two hundred twenty-five million, fifty thousand, four hundred thirty-nine".