1232122985 has 4 divisors (see below), whose sum is σ = 1478547588. Its totient is φ = 985698384.

The previous prime is 1232122973. The next prime is 1232123023. The reversal of 1232122985 is 5892212321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5892212321 = 11927 ⋅494023.

It can be written as a sum of positive squares in 2 ways, for example, as 429194089 + 802928896 = 20717^2 + 28336^2 .

It is a cyclic number.

It is not a de Polignac number, because 1232122985 - 2⁶ = 1232122921 is a prime.

It is a super-3 number, since 3×1232122985³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

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, 123212294 + ... + 123212303.

It is an arithmetic number, because the mean of its divisors is an integer number (369636897).

Almost surely, 2^1232122985 is an apocalyptic number.

It is an amenable number.

1232122985 is a deficient number, since it is larger than the sum of its proper divisors (246424603).

1232122985 is an equidigital number, since it uses as much as digits as its factorization.

1232122985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246424602.

The product of its digits is 17280, while the sum is 35.

The square root of 1232122985 is about 35101.6094360358. The cubic root of 1232122985 is about 1072.0573527017.

The spelling of 1232122985 in words is "one billion, two hundred thirty-two million, one hundred twenty-two thousand, nine hundred eighty-five".