1078551 has 6 divisors (see below), whose sum is σ = 1557920. Its totient is φ = 719028.

The previous prime is 1078537. The next prime is 1078559. The reversal of 1078551 is 1558701.

1078551 is a `hidden beast` number, since 107 + 8 + 551 = 666.

It is not a de Polignac number, because 1078551 - 2¹¹ = 1076503 is a prime.

It is a Duffinian number.

1078551 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1078559) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 59911 + ... + 59928.

2^1078551 is an apocalyptic number.

1078551 is a deficient number, since it is larger than the sum of its proper divisors (479369).

1078551 is a wasteful number, since it uses less digits than its factorization.

1078551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119845 (or 119842 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 27.

The square root of 1078551 is about 1038.5331000984. The cubic root of 1078551 is about 102.5526519102.

The spelling of 1078551 in words is "one million, seventy-eight thousand, five hundred fifty-one".