1021049029 has 64 divisors (see below), whose sum is σ = 1414264320. Its totient is φ = 711659520.

The previous prime is 1021049021. The next prime is 1021049033. The reversal of 1021049029 is 9209401201.

It is a happy number.

It is not a de Polignac number, because 1021049029 - 2³ = 1021049021 is a prime.

It is a super-2 number, since 2×1021049029² = 2085082239243685682, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1021048988 and 1021049006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021049021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6503419 + ... + 6503575.

It is an arithmetic number, because the mean of its divisors is an integer number (22097880).

Almost surely, 2^1021049029 is an apocalyptic number.

It is an amenable number.

1021049029 is a deficient number, since it is larger than the sum of its proper divisors (393215291).

1021049029 is a wasteful number, since it uses less digits than its factorization.

1021049029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 1021049029 is about 31953.8578109123. The cubic root of 1021049029 is about 1006.9676816553.

The spelling of 1021049029 in words is "one billion, twenty-one million, forty-nine thousand, twenty-nine".