1176421401 has 45 divisors (see below), whose sum is σ = 1823856111. Its totient is φ = 755675568.

The previous prime is 1176421381. The next prime is 1176421409. The reversal of 1176421401 is 1041246711.

The square root of 1176421401 is 34299.

It is a perfect power (a square), and thus also a powerful number.

1176421401 is a `hidden beast` number, since 1 + 1 + 7 + 642 + 14 + 0 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1052678025 + 123743376 = 32445^2 + 11124^2 .

It is not a de Polignac number, because 1176421401 - 2²³ = 1168032793 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1176421409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 11421516 + ... + 11421618.

Almost surely, 2^1176421401 is an apocalyptic number.

1176421401 is the 34299-th square number.

1176421401 is the 17150-th centered octagonal number.

It is an amenable number.

1176421401 is a deficient number, since it is larger than the sum of its proper divisors (647434710).

1176421401 is an frugal number, since it uses more digits than its factorization.

1176421401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292 (or 143 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The cubic root of 1176421401 is about 1055.6524795903.

The spelling of 1176421401 in words is "one billion, one hundred seventy-six million, four hundred twenty-one thousand, four hundred one".