1012143377 has 8 divisors (see below), whose sum is σ = 1159790400. Its totient is φ = 865260144.

The previous prime is 1012143367. The next prime is 1012143401. The reversal of 1012143377 is 7733412101.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1012143377 - 2¹⁰ = 1012142353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012143337) 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, 188102 + ... + 193407.

It is an arithmetic number, because the mean of its divisors is an integer number (144973800).

Almost surely, 2^1012143377 is an apocalyptic number.

It is an amenable number.

1012143377 is a deficient number, since it is larger than the sum of its proper divisors (147647023).

1012143377 is an equidigital number, since it uses as much as digits as its factorization.

1012143377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381895.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 1012143377 is about 31814.2008700517. The cubic root of 1012143377 is about 1004.0315173595.

Adding to 1012143377 its reverse (7733412101), we get a palindrome (8745555478).

The spelling of 1012143377 in words is "one billion, twelve million, one hundred forty-three thousand, three hundred seventy-seven".