2119742 has 4 divisors (see below), whose sum is σ = 3179616. Its totient is φ = 1059870.

The previous prime is 2119739. The next prime is 2119751. The reversal of 2119742 is 2479112.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×2119742² = 8986612293128, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 529934 + ... + 529937.

It is an arithmetic number, because the mean of its divisors is an integer number (794904).

2^2119742 is an apocalyptic number.

2119742 is a deficient number, since it is larger than the sum of its proper divisors (1059874).

2119742 is a wasteful number, since it uses less digits than its factorization.

2119742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059873.

The product of its digits is 1008, while the sum is 26.

The square root of 2119742 is about 1455.9333775967. The cubic root of 2119742 is about 128.4579543182.

The spelling of 2119742 in words is "two million, one hundred nineteen thousand, seven hundred forty-two".