1001023449 has 16 divisors (see below), whose sum is σ = 1379642880. Its totient is φ = 644935680.

The previous prime is 1001023447. The next prime is 1001023451. The reversal of 1001023449 is 9443201001.

1001023449 = T₂₈₂ + T₂₈₃ + ... + T₁₈₁₉.

It is an interprime number because it is at equal distance from previous prime (1001023447) and next prime (1001023451).

It is not a de Polignac number, because 1001023449 - 2¹ = 1001023447 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1001023447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64519 + ... + 78515.

It is an arithmetic number, because the mean of its divisors is an integer number (86227680).

Almost surely, 2^1001023449 is an apocalyptic number.

It is an amenable number.

1001023449 is a deficient number, since it is larger than the sum of its proper divisors (378619431).

1001023449 is a wasteful number, since it uses less digits than its factorization.

1001023449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14800.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 1001023449 is about 31638.9546129451. The cubic root of 1001023449 is about 1000.3410333497.

The spelling of 1001023449 in words is "one billion, one million, twenty-three thousand, four hundred forty-nine".