7120418 has 4 divisors (see below), whose sum is σ = 10680630. Its totient is φ = 3560208.

The previous prime is 7120417. The next prime is 7120423. The reversal of 7120418 is 8140217.

7120418 is nontrivially palindromic in base 12.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8140217 = 53 ⋅153589.

It can be written as a sum of positive squares in only one way, i.e., 6538249 + 582169 = 2557^2 + 763^2 .

It is a super-3 number, since 3×7120418³ (a number of 22 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7120393 and 7120402.

It is not an unprimeable number, because it can be changed into a prime (7120411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1780103 + ... + 1780106.

Almost surely, 2^7120418 is an apocalyptic number.

7120418 is a deficient number, since it is larger than the sum of its proper divisors (3560212).

7120418 is a wasteful number, since it uses less digits than its factorization.

7120418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3560211.

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 7120418 is about 2668.4111377372. The cubic root of 7120418 is about 192.3837989882.

The spelling of 7120418 in words is "seven million, one hundred twenty thousand, four hundred eighteen".