1012601377 has 4 divisors (see below), whose sum is σ = 1015316500. Its totient is φ = 1009886256.

The previous prime is 1012601363. The next prime is 1012601393. The reversal of 1012601377 is 7731062101.

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

It can be written as a sum of positive squares in 2 ways, for example, as 250620561 + 761980816 = 15831^2 + 27604^2 .

It is a cyclic number.

It is not a de Polignac number, because 1012601377 - 2¹⁹ = 1012077089 is a prime.

It is a super-2 number, since 2×1012601377² = 2050723097404592258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012601347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1357002 + ... + 1357747.

It is an arithmetic number, because the mean of its divisors is an integer number (253829125).

Almost surely, 2^1012601377 is an apocalyptic number.

It is an amenable number.

1012601377 is a deficient number, since it is larger than the sum of its proper divisors (2715123).

1012601377 is an equidigital number, since it uses as much as digits as its factorization.

1012601377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2715122.

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 1012601377 is about 31821.3980993922. The cubic root of 1012601377 is about 1004.1829376365.

Adding to 1012601377 its reverse (7731062101), we get a palindrome (8743663478).

The spelling of 1012601377 in words is "one billion, twelve million, six hundred one thousand, three hundred seventy-seven".