1020300123091 has 8 divisors (see below), whose sum is σ = 1065531559680. Its totient is φ = 975141233352.

The previous prime is 1020300123067. The next prime is 1020300123133. The reversal of 1020300123091 is 1903210030201.

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 1020300123091 - 2⁹ = 1020300122579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020300123191) 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, 18107961 + ... + 18164218.

It is an arithmetic number, because the mean of its divisors is an integer number (133191444960).

Almost surely, 2^{1020300123091} is an apocalyptic number.

1020300123091 is a deficient number, since it is larger than the sum of its proper divisors (45231436589).

1020300123091 is a wasteful number, since it uses less digits than its factorization.

1020300123091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36273425.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 1020300123091 its reverse (1903210030201), we get a palindrome (2923510153292).

The spelling of 1020300123091 in words is "one trillion, twenty billion, three hundred million, one hundred twenty-three thousand, ninety-one".