1961141 has 16 divisors (see below), whose sum is σ = 2521344. Its totient is φ = 1482624.

The previous prime is 1961131. The next prime is 1961147. The reversal of 1961141 is 1411691.

It is not a de Polignac number, because 1961141 - 2⁶ = 1961077 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1961147) 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, 1625 + ... + 2561.

It is an arithmetic number, because the mean of its divisors is an integer number (157584).

2^1961141 is an apocalyptic number.

It is an amenable number.

1961141 is a deficient number, since it is larger than the sum of its proper divisors (560203).

1961141 is a wasteful number, since it uses less digits than its factorization.

1961141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980.

The product of its digits is 216, while the sum is 23.

The square root of 1961141 is about 1400.4074407115. The cubic root of 1961141 is about 125.1707745821.

The spelling of 1961141 in words is "one million, nine hundred sixty-one thousand, one hundred forty-one".