1061121167 has 4 divisors (see below), whose sum is σ = 1061266896. Its totient is φ = 1060975440.

The previous prime is 1061121157. The next prime is 1061121179. The reversal of 1061121167 is 7611211601.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1061121167 - 2⁴ = 1061121151 is a prime.

It is a super-2 number, since 2×1061121167² = 2251956262110883778, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1061121137) 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, 61334 + ... + 76707.

It is an arithmetic number, because the mean of its divisors is an integer number (265316724).

Almost surely, 2^1061121167 is an apocalyptic number.

1061121167 is a deficient number, since it is larger than the sum of its proper divisors (145729).

1061121167 is an equidigital number, since it uses as much as digits as its factorization.

1061121167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145728.

The product of its (nonzero) digits is 504, while the sum is 26.

The square root of 1061121167 is about 32574.8548269981. The cubic root of 1061121167 is about 1019.9721788516.

Adding to 1061121167 its reverse (7611211601), we get a palindrome (8672332768).

The spelling of 1061121167 in words is "one billion, sixty-one million, one hundred twenty-one thousand, one hundred sixty-seven".