2126742 has 16 divisors (see below), whose sum is σ = 4288512. Its totient is φ = 703080.

The previous prime is 2126687. The next prime is 2126749. The reversal of 2126742 is 2476212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2126749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 634 + ... + 2157.

It is an arithmetic number, because the mean of its divisors is an integer number (268032).

2^2126742 is an apocalyptic number.

2126742 is an abundant number, since it is smaller than the sum of its proper divisors (2161770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2126742 is a wasteful number, since it uses less digits than its factorization.

2126742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2923.

The product of its digits is 1344, while the sum is 24.

The square root of 2126742 is about 1458.3353523796. The cubic root of 2126742 is about 128.5992007026.

The spelling of 2126742 in words is "two million, one hundred twenty-six thousand, seven hundred forty-two".