2151043 has 8 divisors (see below), whose sum is σ = 2209680. Its totient is φ = 2093280.

The previous prime is 2151031. The next prime is 2151073. The reversal of 2151043 is 3401512.

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

It is a cyclic number.

It is not a de Polignac number, because 2151043 - 2⁵ = 2151011 is a prime.

It is a Duffinian number.

2151043 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2151013) 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, 10821 + ... + 11017.

It is an arithmetic number, because the mean of its divisors is an integer number (276210).

2^2151043 is an apocalyptic number.

2151043 is a deficient number, since it is larger than the sum of its proper divisors (58637).

2151043 is a wasteful number, since it uses less digits than its factorization.

2151043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437.

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

The square root of 2151043 is about 1466.6434467859. The cubic root of 2151043 is about 129.0871554125.

Adding to 2151043 its reverse (3401512), we get a palindrome (5552555).

The spelling of 2151043 in words is "two million, one hundred fifty-one thousand, forty-three".