1030621401157 has 2 divisors, whose sum is σ = 1030621401158. Its totient is φ = 1030621401156.

The previous prime is 1030621401133. The next prime is 1030621401263. The reversal of 1030621401157 is 7511041260301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 886702839201 + 143918561956 = 941649^2 + 379366^2 .

It is a cyclic number.

It is not a de Polignac number, because 1030621401157 - 2¹¹ = 1030621399109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1030621405157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515310700578 + 515310700579.

It is an arithmetic number, because the mean of its divisors is an integer number (515310700579).

Almost surely, 2^{1030621401157} is an apocalyptic number.

It is an amenable number.

1030621401157 is a deficient number, since it is larger than the sum of its proper divisors (1).

1030621401157 is an equidigital number, since it uses as much as digits as its factorization.

1030621401157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 31.

Adding to 1030621401157 its reverse (7511041260301), we get a palindrome (8541662661458).

The spelling of 1030621401157 in words is "one trillion, thirty billion, six hundred twenty-one million, four hundred one thousand, one hundred fifty-seven".