1245222407 has 16 divisors (see below), whose sum is σ = 1479371040. Its totient is φ = 1033190400.

The previous prime is 1245222397. The next prime is 1245222413. The reversal of 1245222407 is 7042225421.

It is not a de Polignac number, because 1245222407 - 2⁸ = 1245222151 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 1245222407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1245222467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36194 + ... + 61647.

It is an arithmetic number, because the mean of its divisors is an integer number (92460690).

Almost surely, 2^1245222407 is an apocalyptic number.

1245222407 is a deficient number, since it is larger than the sum of its proper divisors (234148633).

1245222407 is a wasteful number, since it uses less digits than its factorization.

1245222407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97954.

The product of its (nonzero) digits is 8960, while the sum is 29.

The square root of 1245222407 is about 35287.7090075284. The cubic root of 1245222407 is about 1075.8431912076.

Adding to 1245222407 its reverse (7042225421), we get a palindrome (8287447828).

The spelling of 1245222407 in words is "one billion, two hundred forty-five million, two hundred twenty-two thousand, four hundred seven".