1009143029 has 4 divisors (see below), whose sum is σ = 1062255840. Its totient is φ = 956030220.

The previous prime is 1009143017. The next prime is 1009143041. The reversal of 1009143029 is 9203419001.

It is a happy number.

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 an interprime number because it is at equal distance from previous prime (1009143017) and next prime (1009143041).

It is not a de Polignac number, because 1009143029 - 2¹⁶ = 1009077493 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1009142992 and 1009143010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1009143059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26556377 + ... + 26556414.

It is an arithmetic number, because the mean of its divisors is an integer number (265563960).

Almost surely, 2^1009143029 is an apocalyptic number.

1009143029 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1009143029 is a deficient number, since it is larger than the sum of its proper divisors (53112811).

1009143029 is an equidigital number, since it uses as much as digits as its factorization.

1009143029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53112810.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 1009143029 is about 31767.0116473048. The cubic root of 1009143029 is about 1003.0384348963.

The spelling of 1009143029 in words is "one billion, nine million, one hundred forty-three thousand, twenty-nine".