1086654091 has 2 divisors, whose sum is σ = 1086654092. Its totient is φ = 1086654090.

The previous prime is 1086654083. The next prime is 1086654109. The reversal of 1086654091 is 1904566801.

Together with next prime (1086654109) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is an emirp because it is prime and its reverse (1904566801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1086654091 - 2³ = 1086654083 is a prime.

It is a super-2 number, since 2×1086654091² = 2361634226974072562, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1086654031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 543327045 + 543327046.

It is an arithmetic number, because the mean of its divisors is an integer number (543327046).

Almost surely, 2^1086654091 is an apocalyptic number.

1086654091 is a deficient number, since it is larger than the sum of its proper divisors (1).

1086654091 is an equidigital number, since it uses as much as digits as its factorization.

1086654091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 1086654091 is about 32964.4367614555. The cubic root of 1086654091 is about 1028.0883545184.

The spelling of 1086654091 in words is "one billion, eighty-six million, six hundred fifty-four thousand, ninety-one".