1072146 has 8 divisors (see below), whose sum is σ = 2144304. Its totient is φ = 357380.

The previous prime is 1072133. The next prime is 1072147. The reversal of 1072146 is 6412701.

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

1072146 is an admirable number.

It is a super-2 number, since 2×1072146² = 2298994090632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1072147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89340 + ... + 89351.

It is an arithmetic number, because the mean of its divisors is an integer number (268038).

2^1072146 is an apocalyptic number.

1072146 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.

1072146 is a wasteful number, since it uses less digits than its factorization.

1072146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178696.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 1072146 is about 1035.4448319442. Note that the first 3 decimals coincide. The cubic root of 1072146 is about 102.3492449684.

Adding to 1072146 its reverse (6412701), we get a palindrome (7484847).

The spelling of 1072146 in words is "one million, seventy-two thousand, one hundred forty-six".