7470121 has 8 divisors (see below), whose sum is σ = 7652288. Its totient is φ = 7290000.

The previous prime is 7470107. The next prime is 7470137. The reversal of 7470121 is 1210747.

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

It is a 6-Lehmer number, since φ(7470121) divides (7470121-1)⁶.

It is a cyclic number.

It is not a de Polignac number, because 7470121 - 2⁷ = 7469993 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7470092 and 7470101.

It is not an unprimeable number, because it can be changed into a prime (7470181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8806 + ... + 9616.

It is an arithmetic number, because the mean of its divisors is an integer number (956536).

Almost surely, 2^7470121 is an apocalyptic number.

It is an amenable number.

7470121 is a deficient number, since it is larger than the sum of its proper divisors (182167).

7470121 is a wasteful number, since it uses less digits than its factorization.

7470121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1023.

The product of its (nonzero) digits is 392, while the sum is 22.

The square root of 7470121 is about 2733.1522094461. The cubic root of 7470121 is about 195.4830975940.

Adding to 7470121 its reverse (1210747), we get a palindrome (8680868).

The spelling of 7470121 in words is "seven million, four hundred seventy thousand, one hundred twenty-one".