1022542147 has 8 divisors (see below), whose sum is σ = 1115795952. Its totient is φ = 929337600.

The previous prime is 1022542121. The next prime is 1022542153. The reversal of 1022542147 is 7412452201.

1022542147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1022542147 - 2¹⁹ = 1022017859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1022549147) 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, 41247 + ... + 61207.

It is an arithmetic number, because the mean of its divisors is an integer number (139474494).

Almost surely, 2^1022542147 is an apocalyptic number.

1022542147 is a deficient number, since it is larger than the sum of its proper divisors (93253805).

1022542147 is a wasteful number, since it uses less digits than its factorization.

1022542147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24629.

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 1022542147 is about 31977.2129335876. The cubic root of 1022542147 is about 1007.4582846978.

Adding to 1022542147 its reverse (7412452201), we get a palindrome (8434994348).

It can be divided in two parts, 102254 and 2147, that added together give a palindrome (104401).

The spelling of 1022542147 in words is "one billion, twenty-two million, five hundred forty-two thousand, one hundred forty-seven".