1029781233103 has 8 divisors (see below), whose sum is σ = 1208700752672. Its totient is φ = 858813692256.

The previous prime is 1029781233079. The next prime is 1029781233113. The reversal of 1029781233103 is 3013321879201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1029781233103 - 2⁵ = 1029781233071 is a prime.

It is a super-2 number, since 2×1029781233103² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1029781233113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1987994400 + ... + 1987994917.

It is an arithmetic number, because the mean of its divisors is an integer number (151087594084).

Almost surely, 2^{1029781233103} is an apocalyptic number.

1029781233103 is a deficient number, since it is larger than the sum of its proper divisors (178919519569).

1029781233103 is an equidigital number, since it uses as much as digits as its factorization.

1029781233103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3975989361.

The product of its (nonzero) digits is 54432, while the sum is 40.

The spelling of 1029781233103 in words is "one trillion, twenty-nine billion, seven hundred eighty-one million, two hundred thirty-three thousand, one hundred three".