1234340998081 has 9 divisors (see below), whose sum is σ = 1275478472673. Its totient is φ = 1194490216260.

The previous prime is 1234340998073. The next prime is 1234340998117. The reversal of 1234340998081 is 1808990434321.

The square root of 1234340998081 is 1111009.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 1234340998081 - 2³ = 1234340998073 is a prime.

It is a super-2 number, since 2×1234340998081² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1234340998021) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 34423360 + ... + 34459198.

It is an arithmetic number, because the mean of its divisors is an integer number (141719830297).

Almost surely, 2^{1234340998081} is an apocalyptic number.

1234340998081 is the 1111009-th square number.

1234340998081 is the 555505-th centered octagonal number.

It is an amenable number.

1234340998081 is a deficient number, since it is larger than the sum of its proper divisors (41137474592).

1234340998081 is an frugal number, since it uses more digits than its factorization.

1234340998081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71740 (or 35870 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 52.

The spelling of 1234340998081 in words is "one trillion, two hundred thirty-four billion, three hundred forty million, nine hundred ninety-eight thousand, eighty-one".