1951141 has 4 divisors (see below), whose sum is σ = 2065932. Its totient is φ = 1836352.

The previous prime is 1951139. The next prime is 1951153. The reversal of 1951141 is 1411591.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1411591 = 1009 ⋅1399.

It can be written as a sum of positive squares in 2 ways, for example, as 1766241 + 184900 = 1329^2 + 430^2 .

It is a cyclic number.

It is not a de Polignac number, because 1951141 - 2¹ = 1951139 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 (1951441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57370 + ... + 57403.

It is an arithmetic number, because the mean of its divisors is an integer number (516483).

2^1951141 is an apocalyptic number.

It is an amenable number.

1951141 is a deficient number, since it is larger than the sum of its proper divisors (114791).

1951141 is a wasteful number, since it uses less digits than its factorization.

1951141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114790.

The product of its digits is 180, while the sum is 22.

The square root of 1951141 is about 1396.8324881674. The cubic root of 1951141 is about 124.9576603271.

The spelling of 1951141 in words is "one million, nine hundred fifty-one thousand, one hundred forty-one".