1156146 has 16 divisors (see below), whose sum is σ = 2325024. Its totient is φ = 383264.

The previous prime is 1156121. The next prime is 1156151. The reversal of 1156146 is 6416511.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 985 + ... + 1811.

It is an arithmetic number, because the mean of its divisors is an integer number (145314).

2^1156146 is an apocalyptic number.

1156146 is an abundant number, since it is smaller than the sum of its proper divisors (1168878).

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

1156146 is a wasteful number, since it uses less digits than its factorization.

1156146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065.

The product of its digits is 720, while the sum is 24.

The square root of 1156146 is about 1075.2422982751. The cubic root of 1156146 is about 104.9552643897.

The spelling of 1156146 in words is "one million, one hundred fifty-six thousand, one hundred forty-six".