1214136123 has 4 divisors (see below), whose sum is σ = 1618848168. Its totient is φ = 809424080.

The previous prime is 1214136113. The next prime is 1214136163. The reversal of 1214136123 is 3216314121.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1214136123 - 2¹³ = 1214127931 is a prime.

It is a super-2 number, since 2×1214136123² = 2948253050346942258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1214136093 and 1214136102.

It is not an unprimeable number, because it can be changed into a prime (1214136103) 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, 202356018 + ... + 202356023.

It is an arithmetic number, because the mean of its divisors is an integer number (404712042).

Almost surely, 2^1214136123 is an apocalyptic number.

1214136123 is a deficient number, since it is larger than the sum of its proper divisors (404712045).

1214136123 is an equidigital number, since it uses as much as digits as its factorization.

1214136123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404712044.

The product of its digits is 864, while the sum is 24.

The square root of 1214136123 is about 34844.4561300647. The cubic root of 1214136123 is about 1066.8150327586.

The spelling of 1214136123 in words is "one billion, two hundred fourteen million, one hundred thirty-six thousand, one hundred twenty-three".