1356620123 has 8 divisors (see below), whose sum is σ = 1370481840. Its totient is φ = 1342817280.

The previous prime is 1356620071. The next prime is 1356620129. The reversal of 1356620123 is 3210266531.

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

It is a cyclic number.

It is not a de Polignac number, because 1356620123 - 2⁸ = 1356619867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1356620129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32363 + ... + 61323.

It is an arithmetic number, because the mean of its divisors is an integer number (171310230).

Almost surely, 2^1356620123 is an apocalyptic number.

1356620123 is a deficient number, since it is larger than the sum of its proper divisors (13861717).

1356620123 is a wasteful number, since it uses less digits than its factorization.

1356620123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29437.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 1356620123 is about 36832.3244311298. The cubic root of 1356620123 is about 1107.0130780451.

Adding to 1356620123 its reverse (3210266531), we get a palindrome (4566886654).

The spelling of 1356620123 in words is "one billion, three hundred fifty-six million, six hundred twenty thousand, one hundred twenty-three".