1206045122 has 4 divisors (see below), whose sum is σ = 1809067686. Its totient is φ = 603022560.

The previous prime is 1206045119. The next prime is 1206045131. The reversal of 1206045122 is 2215406021.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 1013085241 + 192959881 = 31829^2 + 13891^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 301511279 + ... + 301511282.

Almost surely, 2^1206045122 is an apocalyptic number.

1206045122 is a deficient number, since it is larger than the sum of its proper divisors (603022564).

1206045122 is an equidigital number, since it uses as much as digits as its factorization.

1206045122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603022563.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1206045122 is about 34728.1603601458. The cubic root of 1206045122 is about 1064.4399980064.

The spelling of 1206045122 in words is "one billion, two hundred six million, forty-five thousand, one hundred twenty-two".