1061090087 has 8 divisors (see below), whose sum is σ = 1065076656. Its totient is φ = 1057110912.

The previous prime is 1061090057. The next prime is 1061090099. The reversal of 1061090087 is 7800901601.

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

It is a cyclic number.

It is not a de Polignac number, because 1061090087 - 2²² = 1056895783 is a prime.

It is a super-2 number, since 2×1061090087² = 2251824345459335138, 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 (1061090057) 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, 565583 + ... + 567455.

It is an arithmetic number, because the mean of its divisors is an integer number (133134582).

Almost surely, 2^1061090087 is an apocalyptic number.

1061090087 is a deficient number, since it is larger than the sum of its proper divisors (3986569).

1061090087 is a wasteful number, since it uses less digits than its factorization.

1061090087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3697.

The product of its (nonzero) digits is 3024, while the sum is 32.

The square root of 1061090087 is about 32574.3777684241. The cubic root of 1061090087 is about 1019.9622205025.

Adding to 1061090087 its reverse (7800901601), we get a palindrome (8861991688).

The spelling of 1061090087 in words is "one billion, sixty-one million, ninety thousand, eighty-seven".