1020502427 has 8 divisors (see below), whose sum is σ = 1166592000. Its totient is φ = 874488744.

The previous prime is 1020502421. The next prime is 1020502429. The reversal of 1020502427 is 7242050201.

It is a happy number.

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 1020502427 - 2⁴ = 1020502411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1020502421) 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, 13574 + ... + 47172.

It is an arithmetic number, because the mean of its divisors is an integer number (145824000).

Almost surely, 2^1020502427 is an apocalyptic number.

1020502427 is a deficient number, since it is larger than the sum of its proper divisors (146089573).

1020502427 is an equidigital number, since it uses as much as digits as its factorization.

1020502427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37945.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 1020502427 is about 31945.3036767535. The cubic root of 1020502427 is about 1006.7879616549.

Adding to 1020502427 its reverse (7242050201), we get a palindrome (8262552628).

The spelling of 1020502427 in words is "one billion, twenty million, five hundred two thousand, four hundred twenty-seven".