1246156 has 6 divisors (see below), whose sum is σ = 2180780. Its totient is φ = 623076.

The previous prime is 1246103. The next prime is 1246181. The reversal of 1246156 is 6516421.

It is a self number, because there is not a number n which added to its sum of digits gives 1246156.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155766 + ... + 155773.

2^1246156 is an apocalyptic number.

It is an amenable number.

1246156 is a deficient number, since it is larger than the sum of its proper divisors (934624).

1246156 is a wasteful number, since it uses less digits than its factorization.

1246156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311543 (or 311541 counting only the distinct ones).

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

The square root of 1246156 is about 1116.3135760171. The cubic root of 1246156 is about 107.6111991586.

It can be divided in two parts, 1246 and 156, that multiplied together give a triangular number (194376 = T₆₂₃).

The spelling of 1246156 in words is "one million, two hundred forty-six thousand, one hundred fifty-six".