1122115401 has 72 divisors (see below), whose sum is σ = 1884250368. Its totient is φ = 641995200.

The previous prime is 1122115399. The next prime is 1122115409. The reversal of 1122115401 is 1045112211.

1122115401 is a `hidden beast` number, since 1 + 122 + 1 + 1 + 540 + 1 = 666.

It is not a de Polignac number, because 1122115401 - 2¹ = 1122115399 is a prime.

It is a super-2 number, since 2×1122115401² = 2518285946322781602, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1122115409) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1451251 + ... + 1452023.

It is an arithmetic number, because the mean of its divisors is an integer number (26170144).

Almost surely, 2^1122115401 is an apocalyptic number.

1122115401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1122115401 is a deficient number, since it is larger than the sum of its proper divisors (762134967).

1122115401 is a wasteful number, since it uses less digits than its factorization.

1122115401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875 (or 861 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 18.

The square root of 1122115401 is about 33497.9909994614. The cubic root of 1122115401 is about 1039.1522310241.

Adding to 1122115401 its reverse (1045112211), we get a palindrome (2167227612).

The spelling of 1122115401 in words is "one billion, one hundred twenty-two million, one hundred fifteen thousand, four hundred one".