1206492123 has 16 divisors (see below), whose sum is σ = 1615251456. Its totient is φ = 801039360.

The previous prime is 1206492107. The next prime is 1206492127. The reversal of 1206492123 is 3212946021.

It is not a de Polignac number, because 1206492123 - 2⁴ = 1206492107 is a prime.

It is a super-2 number, since 2×1206492123² = 2911246485722094258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1206492127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1397590 + ... + 1398452.

It is an arithmetic number, because the mean of its divisors is an integer number (100953216).

Almost surely, 2^1206492123 is an apocalyptic number.

1206492123 is a deficient number, since it is larger than the sum of its proper divisors (408759333).

1206492123 is an equidigital number, since it uses as much as digits as its factorization.

1206492123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2234.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 1206492123 is about 34734.5954777078. The cubic root of 1206492123 is about 1064.5714875513.

The spelling of 1206492123 in words is "one billion, two hundred six million, four hundred ninety-two thousand, one hundred twenty-three".