1206156022 has 8 divisors (see below), whose sum is σ = 1811817072. Its totient is φ = 602217000.

The previous prime is 1206156019. The next prime is 1206156031. The reversal of 1206156022 is 2206516021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 428754 + ... + 431557.

It is an arithmetic number, because the mean of its divisors is an integer number (226477134).

Almost surely, 2^1206156022 is an apocalyptic number.

1206156022 is a deficient number, since it is larger than the sum of its proper divisors (605661050).

1206156022 is an equidigital number, since it uses as much as digits as its factorization.

1206156022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861014.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1206156022 is about 34729.7570103794. The cubic root of 1206156022 is about 1064.4726233136.

The spelling of 1206156022 in words is "one billion, two hundred six million, one hundred fifty-six thousand, twenty-two".