1061422147 has 4 divisors (see below), whose sum is σ = 1107570960. Its totient is φ = 1015273336.

The previous prime is 1061422139. The next prime is 1061422171. The reversal of 1061422147 is 7412241601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7412241601 = 19 ⋅390117979.

It is a cyclic number.

It is not a de Polignac number, because 1061422147 - 2³ = 1061422139 is a prime.

It is a super-2 number, since 2×1061422147² = 2253233948284179218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1061425147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23074372 + ... + 23074417.

It is an arithmetic number, because the mean of its divisors is an integer number (276892740).

Almost surely, 2^1061422147 is an apocalyptic number.

1061422147 is a deficient number, since it is larger than the sum of its proper divisors (46148813).

1061422147 is an equidigital number, since it uses as much as digits as its factorization.

1061422147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46148812.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 1061422147 is about 32579.4743204982. The cubic root of 1061422147 is about 1020.0686058558.

Adding to 1061422147 its reverse (7412241601), we get a palindrome (8473663748).

It can be divided in two parts, 10614 and 22147, that added together give a square (32761 = 181²).

The spelling of 1061422147 in words is "one billion, sixty-one million, four hundred twenty-two thousand, one hundred forty-seven".