1036421361 has 6 divisors (see below), whose sum is σ = 1497053090. Its totient is φ = 690947568.

The previous prime is 1036421339. The next prime is 1036421381. The reversal of 1036421361 is 1631246301.

1036421361 is a `hidden beast` number, since 1 + 0 + 3 + 642 + 13 + 6 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 692689761 + 343731600 = 26319^2 + 18540^2 .

It is not a de Polignac number, because 1036421361 - 2⁹ = 1036420849 is a prime.

It is a super-3 number, since 3×1036421361³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1036421311) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 57578956 + ... + 57578973.

Almost surely, 2^1036421361 is an apocalyptic number.

It is an amenable number.

1036421361 is a deficient number, since it is larger than the sum of its proper divisors (460631729).

1036421361 is a wasteful number, since it uses less digits than its factorization.

1036421361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115157935 (or 115157932 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 1036421361 is about 32193.4987380993. The cubic root of 1036421361 is about 1011.9959748339.

Adding to 1036421361 its reverse (1631246301), we get a palindrome (2667667662).

The spelling of 1036421361 in words is "one billion, thirty-six million, four hundred twenty-one thousand, three hundred sixty-one".