1208860487 has 4 divisors (see below), whose sum is σ = 1210129920. Its totient is φ = 1207591056.

The previous prime is 1208860483. The next prime is 1208860493. The reversal of 1208860487 is 7840688021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1208860487 - 2² = 1208860483 is a prime.

It is a super-2 number, since 2×1208860487² = 2922687354059754338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1208860483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 633287 + ... + 635192.

It is an arithmetic number, because the mean of its divisors is an integer number (302532480).

Almost surely, 2^1208860487 is an apocalyptic number.

1208860487 is a deficient number, since it is larger than the sum of its proper divisors (1269433).

1208860487 is an equidigital number, since it uses as much as digits as its factorization.

1208860487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1269432.

The product of its (nonzero) digits is 172032, while the sum is 44.

The square root of 1208860487 is about 34768.6710559952. The cubic root of 1208860487 is about 1065.2676227229.

The spelling of 1208860487 in words is "one billion, two hundred eight million, eight hundred sixty thousand, four hundred eighty-seven".