7421052130 has 8 divisors (see below), whose sum is σ = 13357893852. Its totient is φ = 2968420848.

The previous prime is 7421052113. The next prime is 7421052157. The reversal of 7421052130 is 312501247.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7284793201 + 136258929 = 85351^2 + 11673^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 7421052095 and 7421052104.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 371052597 + ... + 371052616.

Almost surely, 2^7421052130 is an apocalyptic number.

7421052130 is a deficient number, since it is larger than the sum of its proper divisors (5936841722).

7421052130 is a wasteful number, since it uses less digits than its factorization.

7421052130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742105220.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 7421052130 is about 86145.5287870473. The cubic root of 7421052130 is about 1950.5413469613.

Adding to 7421052130 its reverse (312501247), we get a palindrome (7733553377).

The spelling of 7421052130 in words is "seven billion, four hundred twenty-one million, fifty-two thousand, one hundred thirty".