1034821965 has 16 divisors (see below), whose sum is σ = 1667803968. Its totient is φ = 547875456.

The previous prime is 1034821951. The next prime is 1034821969. The reversal of 1034821965 is 5691284301.

It is not a de Polignac number, because 1034821965 - 2⁵ = 1034821933 is a prime.

It is a super-2 number, since 2×1034821965² = 2141712998492922450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1034821969) 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, 249727 + ... + 253836.

It is an arithmetic number, because the mean of its divisors is an integer number (104237748).

Almost surely, 2^1034821965 is an apocalyptic number.

1034821965 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1034821965 is a deficient number, since it is larger than the sum of its proper divisors (632982003).

1034821965 is a wasteful number, since it uses less digits than its factorization.

1034821965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503708.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 1034821965 is about 32168.6487903984. The cubic root of 1034821965 is about 1011.4751391701.

The spelling of 1034821965 in words is "one billion, thirty-four million, eight hundred twenty-one thousand, nine hundred sixty-five".