1023503487 has 8 divisors (see below), whose sum is σ = 1371816960. Its totient is φ = 678762840.

The previous prime is 1023503483. The next prime is 1023503491. The reversal of 1023503487 is 7843053201.

It is an interprime number because it is at equal distance from previous prime (1023503483) and next prime (1023503491).

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

It is not a de Polignac number, because 1023503487 - 2² = 1023503483 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023503483) 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, 892537 + ... + 893682.

It is an arithmetic number, because the mean of its divisors is an integer number (171477120).

Almost surely, 2^1023503487 is an apocalyptic number.

1023503487 is a deficient number, since it is larger than the sum of its proper divisors (348313473).

1023503487 is a wasteful number, since it uses less digits than its factorization.

1023503487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1786413.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 1023503487 is about 31992.2410437281. The cubic root of 1023503487 is about 1007.7739054589.

Adding to 1023503487 its reverse (7843053201), we get a palindrome (8866556688).

It can be divided in two parts, 1023 and 503487, that added together give a triangular number (504510 = T₁₀₀₄).

The spelling of 1023503487 in words is "one billion, twenty-three million, five hundred three thousand, four hundred eighty-seven".