2131941 has 12 divisors (see below), whose sum is σ = 3306912. Its totient is φ = 1218168.

The previous prime is 2131937. The next prime is 2131951. The reversal of 2131941 is 1491312.

It is not a de Polignac number, because 2131941 - 2² = 2131937 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131951) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7105 + ... + 7398.

It is an arithmetic number, because the mean of its divisors is an integer number (275576).

2^2131941 is an apocalyptic number.

2131941 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2131941 is a deficient number, since it is larger than the sum of its proper divisors (1174971).

2131941 is a wasteful number, since it uses less digits than its factorization.

2131941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14520 (or 14513 counting only the distinct ones).

The product of its digits is 216, while the sum is 21.

The square root of 2131941 is about 1460.1167761518. The cubic root of 2131941 is about 128.7039059555.

It can be divided in two parts, 21 and 31941, that multiplied together give a square (670761 = 819²).

The spelling of 2131941 in words is "two million, one hundred thirty-one thousand, nine hundred forty-one".