1012040356 has 6 divisors (see below), whose sum is σ = 1771070630. Its totient is φ = 506020176.

The previous prime is 1012040297. The next prime is 1012040357. The reversal of 1012040356 is 6530402101.

It can be written as a sum of positive squares in only one way, i.e., 669049956 + 342990400 = 25866^2 + 18520^2 .

It is not an unprimeable number, because it can be changed into a prime (1012040357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126505041 + ... + 126505048.

Almost surely, 2^1012040356 is an apocalyptic number.

It is an amenable number.

1012040356 is a deficient number, since it is larger than the sum of its proper divisors (759030274).

1012040356 is a wasteful number, since it uses less digits than its factorization.

1012040356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253010093 (or 253010091 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1012040356 is about 31812.5817248459. The cubic root of 1012040356 is about 1003.9974510922.

Adding to 1012040356 its reverse (6530402101), we get a palindrome (7542442457).

The spelling of 1012040356 in words is "one billion, twelve million, forty thousand, three hundred fifty-six".