2120354 has 4 divisors (see below), whose sum is σ = 3180534. Its totient is φ = 1060176.

The previous prime is 2120353. The next prime is 2120383. The reversal of 2120354 is 4530212.

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

It can be written as a sum of positive squares in only one way, i.e., 1885129 + 235225 = 1373^2 + 485^2 .

It is not an unprimeable number, because it can be changed into a prime (2120351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530087 + ... + 530090.

2^2120354 is an apocalyptic number.

2120354 is a deficient number, since it is larger than the sum of its proper divisors (1060180).

2120354 is a wasteful number, since it uses less digits than its factorization.

2120354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060179.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 2120354 is about 1456.1435368809. The cubic root of 2120354 is about 128.4703156816.

Adding to 2120354 its reverse (4530212), we get a palindrome (6650566).

The spelling of 2120354 in words is "two million, one hundred twenty thousand, three hundred fifty-four".