1356122153 has 4 divisors (see below), whose sum is σ = 1368123348. Its totient is φ = 1344120960.

The previous prime is 1356122149. The next prime is 1356122179. The reversal of 1356122153 is 3512216531.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 253350889 + 1102771264 = 15917^2 + 33208^2 .

It is a cyclic number.

It is not a de Polignac number, because 1356122153 - 2² = 1356122149 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1356121153) 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, 6000428 + ... + 6000653.

It is an arithmetic number, because the mean of its divisors is an integer number (342030837).

Almost surely, 2^1356122153 is an apocalyptic number.

It is an amenable number.

1356122153 is a deficient number, since it is larger than the sum of its proper divisors (12001195).

1356122153 is a wasteful number, since it uses less digits than its factorization.

1356122153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12001194.

The product of its digits is 5400, while the sum is 29.

The square root of 1356122153 is about 36825.5638517593. The cubic root of 1356122153 is about 1106.8776122758.

Adding to 1356122153 its reverse (3512216531), we get a palindrome (4868338684).

The spelling of 1356122153 in words is "one billion, three hundred fifty-six million, one hundred twenty-two thousand, one hundred fifty-three".