1361197123 has 48 divisors (see below), whose sum is σ = 1725403680. Its totient is φ = 1062927360.

The previous prime is 1361197093. The next prime is 1361197133. The reversal of 1361197123 is 3217911631.

It is a happy number.

It is not a de Polignac number, because 1361197123 - 2¹³ = 1361188931 is a prime.

It is a super-3 number, since 3×1361197123³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1361197133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2914536 + ... + 2915002.

It is an arithmetic number, because the mean of its divisors is an integer number (35945910).

Almost surely, 2^1361197123 is an apocalyptic number.

1361197123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1361197123 is a deficient number, since it is larger than the sum of its proper divisors (364206557).

1361197123 is a wasteful number, since it uses less digits than its factorization.

1361197123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628 (or 617 counting only the distinct ones).

The product of its digits is 6804, while the sum is 34.

The square root of 1361197123 is about 36894.4050365364. The cubic root of 1361197123 is about 1108.2566370103.

The spelling of 1361197123 in words is "one billion, three hundred sixty-one million, one hundred ninety-seven thousand, one hundred twenty-three".