1936121 has 6 divisors (see below), whose sum is σ = 2128266. Its totient is φ = 1760000.

The previous prime is 1936111. The next prime is 1936133. The reversal of 1936121 is 1216391.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1860496 + 75625 = 1364^2 + 275^2 .

It is not a de Polignac number, because 1936121 - 2⁶ = 1936057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1936111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7880 + ... + 8121.

It is an arithmetic number, because the mean of its divisors is an integer number (354711).

2^1936121 is an apocalyptic number.

1936121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1936121 is a deficient number, since it is larger than the sum of its proper divisors (192145).

1936121 is a wasteful number, since it uses less digits than its factorization.

1936121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16023 (or 16012 counting only the distinct ones).

The product of its digits is 324, while the sum is 23.

The square root of 1936121 is about 1391.4456511125. The cubic root of 1936121 is about 124.6361901665.

It can be divided in two parts, 1936 and 121, that multiplied together give a 4-th power (234256 = 22⁴).

The spelling of 1936121 in words is "one million, nine hundred thirty-six thousand, one hundred twenty-one".