1020634035 has 16 divisors (see below), whose sum is σ = 1647998880. Its totient is φ = 539343360.

The previous prime is 1020634031. The next prime is 1020634051. The reversal of 1020634035 is 5304360201.

It is a happy number.

It is not a de Polignac number, because 1020634035 - 2² = 1020634031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1020633996 and 1020634014.

It is not an unprimeable number, because it can be changed into a prime (1020634031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 310486 + ... + 313755.

It is an arithmetic number, because the mean of its divisors is an integer number (102999930).

Almost surely, 2^1020634035 is an apocalyptic number.

1020634035 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1020634035 is a deficient number, since it is larger than the sum of its proper divisors (627364845).

1020634035 is a wasteful number, since it uses less digits than its factorization.

1020634035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624358.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 1020634035 is about 31947.3635062426. The cubic root of 1020634035 is about 1006.8312395708.

Adding to 1020634035 its reverse (5304360201), we get a palindrome (6324994236).

The spelling of 1020634035 in words is "one billion, twenty million, six hundred thirty-four thousand, thirty-five".