2357121 has 16 divisors (see below), whose sum is σ = 3563840. Its totient is φ = 1373760.

The previous prime is 2357119. The next prime is 2357153. The reversal of 2357121 is 1217532.

It is not a de Polignac number, because 2357121 - 2¹ = 2357119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2357321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 850 + ... + 2331.

It is an arithmetic number, because the mean of its divisors is an integer number (222740).

2^2357121 is an apocalyptic number.

It is an amenable number.

2357121 is a deficient number, since it is larger than the sum of its proper divisors (1206719).

2357121 is a wasteful number, since it uses less digits than its factorization.

2357121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3216.

The product of its digits is 420, while the sum is 21.

The square root of 2357121 is about 1535.2918289368. The cubic root of 2357121 is about 133.0844433312.

The spelling of 2357121 in words is "two million, three hundred fifty-seven thousand, one hundred twenty-one".