2121352 has 8 divisors (see below), whose sum is σ = 3977550. Its totient is φ = 1060672.

The previous prime is 2121341. The next prime is 2121367. The reversal of 2121352 is 2531212.

It can be written as a sum of positive squares in only one way, i.e., 1285956 + 835396 = 1134^2 + 914^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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, 132577 + ... + 132592.

2^2121352 is an apocalyptic number.

It is an amenable number.

2121352 is a deficient number, since it is larger than the sum of its proper divisors (1856198).

2121352 is a wasteful number, since it uses less digits than its factorization.

2121352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265175 (or 265171 counting only the distinct ones).

The product of its digits is 120, while the sum is 16.

The square root of 2121352 is about 1456.4861825641. The cubic root of 2121352 is about 128.4904684901.

Adding to 2121352 its reverse (2531212), we get a palindrome (4652564).

The spelling of 2121352 in words is "two million, one hundred twenty-one thousand, three hundred fifty-two".