2126154 has 16 divisors (see below), whose sum is σ = 4292640. Its totient is φ = 702000.

The previous prime is 2126153. The next prime is 2126167. The reversal of 2126154 is 4516212.

It is a plaindrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 2126154.

It is not an unprimeable number, because it can be changed into a prime (2126153) 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, 972 + ... + 2279.

It is an arithmetic number, because the mean of its divisors is an integer number (268290).

2^2126154 is an apocalyptic number.

2126154 is an abundant number, since it is smaller than the sum of its proper divisors (2166486).

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

2126154 is a wasteful number, since it uses less digits than its factorization.

2126154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3365.

The product of its digits is 480, while the sum is 21.

The square root of 2126154 is about 1458.1337387222. The cubic root of 2126154 is about 128.5873479406.

The spelling of 2126154 in words is "two million, one hundred twenty-six thousand, one hundred fifty-four".