1040699077 has 8 divisors (see below), whose sum is σ = 1142108352. Its totient is φ = 940423200.

The previous prime is 1040699071. The next prime is 1040699089. The reversal of 1040699077 is 7709960401.

It is a happy number.

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 1040699077 - 2¹⁹ = 1040174789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040699071) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 281424 + ... + 285097.

It is an arithmetic number, because the mean of its divisors is an integer number (142763544).

Almost surely, 2^1040699077 is an apocalyptic number.

It is an amenable number.

1040699077 is a deficient number, since it is larger than the sum of its proper divisors (101409275).

1040699077 is a wasteful number, since it uses less digits than its factorization.

1040699077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566699.

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 1040699077 is about 32259.8679011555. The cubic root of 1040699077 is about 1013.3863646526.

The spelling of 1040699077 in words is "one billion, forty million, six hundred ninety-nine thousand, seventy-seven".