1054155161 has 2 divisors, whose sum is σ = 1054155162. Its totient is φ = 1054155160.

The previous prime is 1054155101. The next prime is 1054155173. The reversal of 1054155161 is 1615514501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 545923225 + 508231936 = 23365^2 + 22544^2 .

It is a cyclic number.

It is not a de Polignac number, because 1054155161 - 2⁶ = 1054155097 is a prime.

It is a super-3 number, since 3×1054155161³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (1054155101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527077580 + 527077581.

It is an arithmetic number, because the mean of its divisors is an integer number (527077581).

Almost surely, 2^1054155161 is an apocalyptic number.

It is an amenable number.

1054155161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1054155161 is an equidigital number, since it uses as much as digits as its factorization.

1054155161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3000, while the sum is 29.

The square root of 1054155161 is about 32467.7557123987. The cubic root of 1054155161 is about 1017.7353192849.

Adding to 1054155161 its reverse (1615514501), we get a palindrome (2669669662).

The spelling of 1054155161 in words is "one billion, fifty-four million, one hundred fifty-five thousand, one hundred sixty-one".