1012153481 has 2 divisors, whose sum is σ = 1012153482. Its totient is φ = 1012153480.

The previous prime is 1012153477. The next prime is 1012153691. The reversal of 1012153481 is 1843512101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1008697600 + 3455881 = 31760^2 + 1859^2 .

It is an emirp because it is prime and its reverse (1843512101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1012153481 - 2² = 1012153477 is a prime.

It is a super-2 number, since 2×1012153481² = 2048909338200834722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1012153481.

It is not a weakly prime, because it can be changed into another prime (1012153411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506076740 + 506076741.

It is an arithmetic number, because the mean of its divisors is an integer number (506076741).

Almost surely, 2^1012153481 is an apocalyptic number.

It is an amenable number.

1012153481 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012153481 is an equidigital number, since it uses as much as digits as its factorization.

1012153481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 1012153481 is about 31814.3596666662. The cubic root of 1012153481 is about 1004.0348583554.

Adding to 1012153481 its reverse (1843512101), we get a palindrome (2855665582).

The spelling of 1012153481 in words is "one billion, twelve million, one hundred fifty-three thousand, four hundred eighty-one".