1078220054 has 4 divisors (see below), whose sum is σ = 1617330084. Its totient is φ = 539110026.

The previous prime is 1078220051. The next prime is 1078220107. The reversal of 1078220054 is 4500228701.

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

It is a junction number, because it is equal to n+sod(n) for n = 1078219999 and 1078220026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1078220051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269555012 + ... + 269555015.

It is an arithmetic number, because the mean of its divisors is an integer number (404332521).

Almost surely, 2^1078220054 is an apocalyptic number.

1078220054 is a deficient number, since it is larger than the sum of its proper divisors (539110030).

1078220054 is an equidigital number, since it uses as much as digits as its factorization.

1078220054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539110029.

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 1078220054 is about 32836.2612670809. The cubic root of 1078220054 is about 1025.4216164384.

Adding to 1078220054 its reverse (4500228701), we get a palindrome (5578448755).

The spelling of 1078220054 in words is "one billion, seventy-eight million, two hundred twenty thousand, fifty-four".