1061004987 has 40 divisors (see below), whose sum is σ = 1848396000. Its totient is φ = 606272688.

The previous prime is 1061004983. The next prime is 1061005009. The reversal of 1061004987 is 7894001601.

It is not a de Polignac number, because 1061004987 - 2² = 1061004983 is a prime.

It is a super-2 number, since 2×1061004987² = 2251463164877740338, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1061004983) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 8689 + ... + 46877.

It is an arithmetic number, because the mean of its divisors is an integer number (46209900).

Almost surely, 2^1061004987 is an apocalyptic number.

1061004987 is a deficient number, since it is larger than the sum of its proper divisors (787391013).

1061004987 is an frugal number, since it uses more digits than its factorization.

1061004987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38222 (or 38199 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 1061004987 is about 32573.0715008579. The cubic root of 1061004987 is about 1019.9349525993.

The spelling of 1061004987 in words is "one billion, sixty-one million, four thousand, nine hundred eighty-seven".