1043340985 has 16 divisors (see below), whose sum is σ = 1295692992. Its totient is φ = 805896000.

The previous prime is 1043340931. The next prime is 1043341001. The reversal of 1043340985 is 5890433401.

It is not a de Polignac number, because 1043340985 - 2¹³ = 1043332793 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2710 + ... + 45760.

It is an arithmetic number, because the mean of its divisors is an integer number (80980812).

Almost surely, 2^1043340985 is an apocalyptic number.

It is an amenable number.

1043340985 is a deficient number, since it is larger than the sum of its proper divisors (252352007).

1043340985 is a wasteful number, since it uses less digits than its factorization.

1043340985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43224.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 1043340985 is about 32300.7892318439. The cubic root of 1043340985 is about 1014.2431641165.

The spelling of 1043340985 in words is "one billion, forty-three million, three hundred forty thousand, nine hundred eighty-five".