5620121751 has 8 divisors (see below), whose sum is σ = 7499251840. Its totient is φ = 3743869752.

The previous prime is 5620121677. The next prime is 5620121753. The reversal of 5620121751 is 1571210265.

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

It is not a de Polignac number, because 5620121751 - 2²⁹ = 5083250839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5620121753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 714961 + ... + 722778.

It is an arithmetic number, because the mean of its divisors is an integer number (937406480).

Almost surely, 2^5620121751 is an apocalyptic number.

5620121751 is a deficient number, since it is larger than the sum of its proper divisors (1879130089).

5620121751 is a wasteful number, since it uses less digits than its factorization.

5620121751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1439045.

The product of its (nonzero) digits is 4200, while the sum is 30.

The square root of 5620121751 is about 74967.4712858851. The cubic root of 5620121751 is about 1777.9323876645.

The spelling of 5620121751 in words is "five billion, six hundred twenty million, one hundred twenty-one thousand, seven hundred fifty-one".