1356812122 has 8 divisors (see below), whose sum is σ = 2059739136. Its totient is φ = 670232412.

The previous prime is 1356812111. The next prime is 1356812147. The reversal of 1356812122 is 2212186531.

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

It is a super-2 number, since 2×1356812122² = 3681878268812285768, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4086618 + ... + 4086949.

It is an arithmetic number, because the mean of its divisors is an integer number (257467392).

Almost surely, 2^1356812122 is an apocalyptic number.

1356812122 is a deficient number, since it is larger than the sum of its proper divisors (702927014).

1356812122 is an equidigital number, since it uses as much as digits as its factorization.

1356812122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8173652.

The product of its digits is 5760, while the sum is 31.

The square root of 1356812122 is about 36834.9307315760. The cubic root of 1356812122 is about 1107.0652998313.

Adding to 1356812122 its reverse (2212186531), we get a palindrome (3568998653).

The spelling of 1356812122 in words is "one billion, three hundred fifty-six million, eight hundred twelve thousand, one hundred twenty-two".