1020634034 has 12 divisors (see below), whose sum is σ = 1780902414. Its totient is φ = 437414544.

The previous prime is 1020634031. The next prime is 1020634051. The reversal of 1020634034 is 4304360201.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 899700025 + 120934009 = 29995^2 + 10997^2 .

It is a super-2 number, since 2×1020634034² = 2083387662718226312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1020634031) 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 5 ways as a sum of consecutive naturals, for example, 5207219 + ... + 5207414.

Almost surely, 2^1020634034 is an apocalyptic number.

1020634034 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1020634034 is a deficient number, since it is larger than the sum of its proper divisors (760268380).

1020634034 is a wasteful number, since it uses less digits than its factorization.

1020634034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10414649 (or 10414642 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1020634034 is about 31947.3634905918. The cubic root of 1020634034 is about 1006.8312392419.

Adding to 1020634034 its reverse (4304360201), we get a palindrome (5324994235).

The spelling of 1020634034 in words is "one billion, twenty million, six hundred thirty-four thousand, thirty-four".