1206256146 has 8 divisors (see below), whose sum is σ = 2412512304. Its totient is φ = 402085380.

The previous prime is 1206256127. The next prime is 1206256157. The reversal of 1206256146 is 6416526021.

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

1206256146 is an admirable 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, 100521340 + ... + 100521351.

It is an arithmetic number, because the mean of its divisors is an integer number (301564038).

Almost surely, 2^1206256146 is an apocalyptic number.

1206256146 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1206256146 is a wasteful number, since it uses less digits than its factorization.

1206256146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201042696.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 1206256146 is about 34731.1984532639. The cubic root of 1206256146 is about 1064.5020767469.

The spelling of 1206256146 in words is "one billion, two hundred six million, two hundred fifty-six thousand, one hundred forty-six".