1061276377 has 4 divisors (see below), whose sum is σ = 1212887296. Its totient is φ = 909665460.

The previous prime is 1061276347. The next prime is 1061276383. The reversal of 1061276377 is 7736721601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7736721601 = 7 ⋅1105245943.

It is a cyclic number.

It is not a de Polignac number, because 1061276377 - 2¹¹ = 1061274329 is a prime.

It is a super-2 number, since 2×1061276377² = 2252615096756492258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1061276347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75805449 + ... + 75805462.

It is an arithmetic number, because the mean of its divisors is an integer number (303221824).

Almost surely, 2^1061276377 is an apocalyptic number.

It is an amenable number.

1061276377 is a deficient number, since it is larger than the sum of its proper divisors (151610919).

1061276377 is an equidigital number, since it uses as much as digits as its factorization.

1061276377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151610918.

The product of its (nonzero) digits is 74088, while the sum is 40.

The square root of 1061276377 is about 32577.2370989315. The cubic root of 1061276377 is about 1020.0219068087.

Adding to 1061276377 its reverse (7736721601), we get a palindrome (8797997978).

The spelling of 1061276377 in words is "one billion, sixty-one million, two hundred seventy-six thousand, three hundred seventy-seven".