1027742321741 has 4 divisors (see below), whose sum is σ = 1029943055232. Its totient is φ = 1025541588252.

The previous prime is 1027742321729. The next prime is 1027742321783. The reversal of 1027742321741 is 1471232477201.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1027742321741 is a prime.

It is a super-2 number, since 2×1027742321741² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1027742321701) 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, 1100366045 + ... + 1100366978.

It is an arithmetic number, because the mean of its divisors is an integer number (257485763808).

Almost surely, 2^{1027742321741} is an apocalyptic number.

It is an amenable number.

1027742321741 is a deficient number, since it is larger than the sum of its proper divisors (2200733491).

1027742321741 is an equidigital number, since it uses as much as digits as its factorization.

1027742321741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2200733490.

The product of its (nonzero) digits is 131712, while the sum is 41.

Adding to 1027742321741 its reverse (1471232477201), we get a palindrome (2498974798942).

The spelling of 1027742321741 in words is "one trillion, twenty-seven billion, seven hundred forty-two million, three hundred twenty-one thousand, seven hundred forty-one".