1043720165924 has 6 divisors (see below), whose sum is σ = 1826510290374. Its totient is φ = 521860082960.

The previous prime is 1043720165869. The next prime is 1043720165953. The reversal of 1043720165924 is 4295610273401.

It can be written as a sum of positive squares in only one way, i.e., 976701311524 + 67018854400 = 988282^2 + 258880^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130465020737 + ... + 130465020744.

It is an arithmetic number, because the mean of its divisors is an integer number (304418381729).

Almost surely, 2^{1043720165924} is an apocalyptic number.

It is an amenable number.

1043720165924 is a deficient number, since it is larger than the sum of its proper divisors (782790124450).

1043720165924 is a wasteful number, since it uses less digits than its factorization.

1043720165924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260930041485 (or 260930041483 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 44.

The spelling of 1043720165924 in words is "one trillion, forty-three billion, seven hundred twenty million, one hundred sixty-five thousand, nine hundred twenty-four".