2126542 has 8 divisors (see below), whose sum is σ = 3479832. Its totient is φ = 966600.

The previous prime is 2126539. The next prime is 2126549. The reversal of 2126542 is 2456212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 96661 = 2126542 / (2 + 1 + 2 + 6 + 5 + 4 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2126549) 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, 48309 + ... + 48352.

It is an arithmetic number, because the mean of its divisors is an integer number (434979).

2^2126542 is an apocalyptic number.

2126542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2126542 is a deficient number, since it is larger than the sum of its proper divisors (1353290).

2126542 is a wasteful number, since it uses less digits than its factorization.

2126542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96674.

The product of its digits is 960, while the sum is 22.

The square root of 2126542 is about 1458.2667794337. The cubic root of 2126542 is about 128.5951693961.

The spelling of 2126542 in words is "two million, one hundred twenty-six thousand, five hundred forty-two".