7121459 has 4 divisors (see below), whose sum is σ = 7132320. Its totient is φ = 7110600.

The previous prime is 7121441. The next prime is 7121473. The reversal of 7121459 is 9541217.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9541217 = 7 ⋅1363031.

It is a cyclic number.

It is not a de Polignac number, because 7121459 - 2⁸ = 7121203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7121489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4379 + ... + 5780.

It is an arithmetic number, because the mean of its divisors is an integer number (1783080).

Almost surely, 2^7121459 is an apocalyptic number.

7121459 is a deficient number, since it is larger than the sum of its proper divisors (10861).

7121459 is a wasteful number, since it uses less digits than its factorization.

7121459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10860.

The product of its digits is 2520, while the sum is 29.

The square root of 7121459 is about 2668.6061905047. The cubic root of 7121459 is about 192.3931739892.

The spelling of 7121459 in words is "seven million, one hundred twenty-one thousand, four hundred fifty-nine".