1061145401 has 2 divisors, whose sum is σ = 1061145402. Its totient is φ = 1061145400.

The previous prime is 1061145343. The next prime is 1061145427. The reversal of 1061145401 is 1045411601.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 857084176 + 204061225 = 29276^2 + 14285^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1061145401 is a prime.

It is a super-2 number, since 2×1061145401² = 2252059124126901602, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1061145431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530572700 + 530572701.

It is an arithmetic number, because the mean of its divisors is an integer number (530572701).

Almost surely, 2^1061145401 is an apocalyptic number.

It is an amenable number.

1061145401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1061145401 is an equidigital number, since it uses as much as digits as its factorization.

1061145401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 1061145401 is about 32575.2267989035. The cubic root of 1061145401 is about 1019.9799435374.

The spelling of 1061145401 in words is "one billion, sixty-one million, one hundred forty-five thousand, four hundred one".