1202011456 has 14 divisors (see below), whose sum is σ = 2385241610. Its totient is φ = 601005696.

The previous prime is 1202011451. The next prime is 1202011463. The reversal of 1202011456 is 6541102021.

It can be written as a sum of positive squares in only one way, i.e., 892814400 + 309197056 = 29880^2 + 17584^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202011451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9390651 + ... + 9390778.

Almost surely, 2^1202011456 is an apocalyptic number.

1202011456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1202011456 is a deficient number, since it is larger than the sum of its proper divisors (1183230154).

1202011456 is an equidigital number, since it uses as much as digits as its factorization.

1202011456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18781441 (or 18781431 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 1202011456 is about 34670.0368618206. The cubic root of 1202011456 is about 1063.2519852295.

Adding to 1202011456 its reverse (6541102021), we get a palindrome (7743113477).

The spelling of 1202011456 in words is "one billion, two hundred two million, eleven thousand, four hundred fifty-six".