1971126 has 12 divisors (see below), whose sum is σ = 4270812. Its totient is φ = 657036.

The previous prime is 1971119. The next prime is 1971127. The reversal of 1971126 is 6211791.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1971126.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1971127) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 54736 + ... + 54771.

It is an arithmetic number, because the mean of its divisors is an integer number (355901).

2^1971126 is an apocalyptic number.

1971126 is an abundant number, since it is smaller than the sum of its proper divisors (2299686).

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

1971126 is a wasteful number, since it uses less digits than its factorization.

1971126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109515 (or 109512 counting only the distinct ones).

The product of its digits is 756, while the sum is 27.

The square root of 1971126 is about 1403.9679483521. The cubic root of 1971126 is about 125.3828475582.

The spelling of 1971126 in words is "one million, nine hundred seventy-one thousand, one hundred twenty-six".