1955121 has 16 divisors (see below), whose sum is σ = 3003264. Its totient is φ = 1108224.

The previous prime is 1955113. The next prime is 1955123. The reversal of 1955121 is 1215591.

It is not a de Polignac number, because 1955121 - 2³ = 1955113 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1955091 and 1955100.

It is not an unprimeable number, because it can be changed into a prime (1955123) 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, 3001 + ... + 3593.

It is an arithmetic number, because the mean of its divisors is an integer number (187704).

2^1955121 is an apocalyptic number.

It is an amenable number.

1955121 is a deficient number, since it is larger than the sum of its proper divisors (1048143).

1955121 is a wasteful number, since it uses less digits than its factorization.

1955121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760.

The product of its digits is 450, while the sum is 24.

The square root of 1955121 is about 1398.2564142531. The cubic root of 1955121 is about 125.0425668362.

The spelling of 1955121 in words is "one million, nine hundred fifty-five thousand, one hundred twenty-one".