1225413502 has 8 divisors (see below), whose sum is σ = 1901503800. Its totient is φ = 591578904.

The previous prime is 1225413461. The next prime is 1225413503. The reversal of 1225413502 is 2053145221.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225413503) 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, 10563852 + ... + 10563967.

It is an arithmetic number, because the mean of its divisors is an integer number (237687975).

Almost surely, 2^1225413502 is an apocalyptic number.

1225413502 is a deficient number, since it is larger than the sum of its proper divisors (676090298).

1225413502 is a wasteful number, since it uses less digits than its factorization.

1225413502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21127850.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1225413502 is about 35005.9066730173. The cubic root of 1225413502 is about 1070.1078593923.

Adding to 1225413502 its reverse (2053145221), we get a palindrome (3278558723).

The spelling of 1225413502 in words is "one billion, two hundred twenty-five million, four hundred thirteen thousand, five hundred two".