7613121 has 8 divisors (see below), whose sum is σ = 10165824. Its totient is φ = 5067920.

The previous prime is 7613101. The next prime is 7613131. The reversal of 7613121 is 1213167.

7613121 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 7613121 - 2⁶ = 7613057 is a prime.

It is a super-2 number, since 2×7613121² = 115919222721282, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7613101) 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, 1231 + ... + 4091.

It is an arithmetic number, because the mean of its divisors is an integer number (1270728).

Almost surely, 2^7613121 is an apocalyptic number.

It is an amenable number.

7613121 is a deficient number, since it is larger than the sum of its proper divisors (2552703).

7613121 is a wasteful number, since it uses less digits than its factorization.

7613121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3751.

The product of its digits is 252, while the sum is 21.

The square root of 7613121 is about 2759.1884676477. The cubic root of 7613121 is about 196.7225947738.

Adding to 7613121 its reverse (1213167), we get a palindrome (8826288).

The spelling of 7613121 in words is "seven million, six hundred thirteen thousand, one hundred twenty-one".