1948121 has 16 divisors (see below), whose sum is σ = 2332800. Its totient is φ = 1592448.

The previous prime is 1948109. The next prime is 1948129. The reversal of 1948121 is 1218491.

It is a cyclic number.

It is not a de Polignac number, because 1948121 - 2¹⁸ = 1685977 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1948129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21845 + ... + 21933.

It is an arithmetic number, because the mean of its divisors is an integer number (145800).

2^1948121 is an apocalyptic number.

It is an amenable number.

1948121 is a deficient number, since it is larger than the sum of its proper divisors (384679).

1948121 is an equidigital number, since it uses as much as digits as its factorization.

1948121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208.

The product of its digits is 576, while the sum is 26.

The square root of 1948121 is about 1395.7510523012. The cubic root of 1948121 is about 124.8931567021.

The spelling of 1948121 in words is "one million, nine hundred forty-eight thousand, one hundred twenty-one".