1020700497 has 4 divisors (see below), whose sum is σ = 1360934000. Its totient is φ = 680466996.

The previous prime is 1020700469. The next prime is 1020700529. The reversal of 1020700497 is 7940070201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1020700497 - 2⁶ = 1020700433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020700427) 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 3 ways as a sum of consecutive naturals, for example, 170116747 + ... + 170116752.

It is an arithmetic number, because the mean of its divisors is an integer number (340233500).

Almost surely, 2^1020700497 is an apocalyptic number.

It is an amenable number.

1020700497 is a deficient number, since it is larger than the sum of its proper divisors (340233503).

1020700497 is an equidigital number, since it uses as much as digits as its factorization.

1020700497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340233502.

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 1020700497 is about 31948.4036690411. The cubic root of 1020700497 is about 1006.8530934913.

Adding to 1020700497 its reverse (7940070201), we get a palindrome (8960770698).

The spelling of 1020700497 in words is "one billion, twenty million, seven hundred thousand, four hundred ninety-seven".