1351645122 has 16 divisors (see below), whose sum is σ = 2703656160. Its totient is φ = 450487392.

The previous prime is 1351645121. The next prime is 1351645133. The reversal of 1351645122 is 2215461531.

It is a self number, because there is not a number n which added to its sum of digits gives 1351645122.

It is not an unprimeable number, because it can be changed into a prime (1351645121) 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 7 ways as a sum of consecutive naturals, for example, 66453 + ... + 84375.

It is an arithmetic number, because the mean of its divisors is an integer number (168978510).

Almost surely, 2^1351645122 is an apocalyptic number.

1351645122 is an abundant number, since it is smaller than the sum of its proper divisors (1352011038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1351645122 is a wasteful number, since it uses less digits than its factorization.

1351645122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30497.

The product of its digits is 7200, while the sum is 30.

The square root of 1351645122 is about 36764.7266003706. The cubic root of 1351645122 is about 1105.6582067081.

The spelling of 1351645122 in words is "one billion, three hundred fifty-one million, six hundred forty-five thousand, one hundred twenty-two".