1037121 has 4 divisors (see below), whose sum is σ = 1382832. Its totient is φ = 691412.

The previous prime is 1037089. The next prime is 1037123. The reversal of 1037121 is 1217301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1217301 = 3 ⋅405767.

It is a cyclic number.

It is not a de Polignac number, because 1037121 - 2⁵ = 1037089 is a prime.

It is a D-number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1037121.

It is not an unprimeable number, because it can be changed into a prime (1037123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172851 + ... + 172856.

It is an arithmetic number, because the mean of its divisors is an integer number (345708).

2^1037121 is an apocalyptic number.

It is an amenable number.

1037121 is a deficient number, since it is larger than the sum of its proper divisors (345711).

1037121 is an equidigital number, since it uses as much as digits as its factorization.

1037121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345710.

The product of its (nonzero) digits is 42, while the sum is 15.

The square root of 1037121 is about 1018.3913785967. The cubic root of 1037121 is about 101.2223640472. Note that the first 3 decimals are identical.

The spelling of 1037121 in words is "one million, thirty-seven thousand, one hundred twenty-one".