1061115401 has 16 divisors (see below), whose sum is σ = 1189339200. Its totient is φ = 940796928.

The previous prime is 1061115379. The next prime is 1061115431. The reversal of 1061115401 is 1045111601.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1061115401 is a prime.

It is a super-2 number, since 2×1061115401² = 2251931788478781602, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1061115431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48641 + ... + 66993.

It is an arithmetic number, because the mean of its divisors is an integer number (74333700).

Almost surely, 2^1061115401 is an apocalyptic number.

It is an amenable number.

1061115401 is a deficient number, since it is larger than the sum of its proper divisors (128223799).

1061115401 is a wasteful number, since it uses less digits than its factorization.

1061115401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18568.

The product of its (nonzero) digits is 120, while the sum is 20.

The square root of 1061115401 is about 32574.7663230299. The cubic root of 1061115401 is about 1019.9703313810.

The spelling of 1061115401 in words is "one billion, sixty-one million, one hundred fifteen thousand, four hundred one".