1071648903 has 8 divisors (see below), whose sum is σ = 1538777968. Its totient is φ = 659476224.

The previous prime is 1071648883. The next prime is 1071648917. The reversal of 1071648903 is 3098461701.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1071648903 - 2¹⁰ = 1071647879 is a prime.

It is a super-2 number, since 2×1071648903² = 2296862742602206818, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 27478177 = 1071648903 / (1 + 0 + 7 + 1 + 6 + 4 + 8 + 9 + 0 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1071648943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13739050 + ... + 13739127.

It is an arithmetic number, because the mean of its divisors is an integer number (192347246).

Almost surely, 2^1071648903 is an apocalyptic number.

1071648903 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1071648903 is a deficient number, since it is larger than the sum of its proper divisors (467129065).

1071648903 is a wasteful number, since it uses less digits than its factorization.

1071648903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27478193.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 1071648903 is about 32736.0489827346. The cubic root of 1071648903 is about 1023.3342455851.

The spelling of 1071648903 in words is "one billion, seventy-one million, six hundred forty-eight thousand, nine hundred three".