1161407430 has 64 divisors (see below), whose sum is σ = 3180818880. Its totient is φ = 301335552.

The previous prime is 1161407381. The next prime is 1161407431. The reversal of 1161407430 is 347041611.

It is a happy number.

1161407430 is a `hidden beast` number, since 1 + 1 + 614 + 0 + 7 + 43 + 0 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 1161407394 and 1161407403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161407431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48139 + ... + 68118.

It is an arithmetic number, because the mean of its divisors is an integer number (49700295).

Almost surely, 2^1161407430 is an apocalyptic number.

1161407430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1161407430 is an abundant number, since it is smaller than the sum of its proper divisors (2019411450).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1161407430 is a wasteful number, since it uses less digits than its factorization.

1161407430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116310 (or 116304 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 1161407430 is about 34079.4282522463. The cubic root of 1161407430 is about 1051.1423485667.

The spelling of 1161407430 in words is "one billion, one hundred sixty-one million, four hundred seven thousand, four hundred thirty".