1029380401 has 4 divisors (see below), whose sum is σ = 1176434752. Its totient is φ = 882326052.

The previous prime is 1029380381. The next prime is 1029380411. The reversal of 1029380401 is 1040839201.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1040839201 = 2063 ⋅504527.

It is a cyclic number.

It is not a de Polignac number, because 1029380401 - 2⁵ = 1029380369 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1029380401.

It is not an unprimeable number, because it can be changed into a prime (1029380411) 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, 73527165 + ... + 73527178.

It is an arithmetic number, because the mean of its divisors is an integer number (294108688).

Almost surely, 2^1029380401 is an apocalyptic number.

It is an amenable number.

1029380401 is a deficient number, since it is larger than the sum of its proper divisors (147054351).

1029380401 is an equidigital number, since it uses as much as digits as its factorization.

1029380401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147054350.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 1029380401 is about 32083.9586242097. The cubic root of 1029380401 is about 1009.6990905046.

The spelling of 1029380401 in words is "one billion, twenty-nine million, three hundred eighty thousand, four hundred one".