1151267430 has 32 divisors (see below), whose sum is σ = 2769228000. Its totient is φ = 306317312.

The previous prime is 1151267419. The next prime is 1151267443. The reversal of 1151267430 is 347621511.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29265 + ... + 56204.

It is an arithmetic number, because the mean of its divisors is an integer number (86538375).

Almost surely, 2^1151267430 is an apocalyptic number.

1151267430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1151267430 is an abundant number, since it is smaller than the sum of its proper divisors (1617960570).

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

1151267430 is a wasteful number, since it uses less digits than its factorization.

1151267430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85928.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 1151267430 is about 33930.3320054490. The cubic root of 1151267430 is about 1048.0743026345.

Adding to 1151267430 its reverse (347621511), we get a palindrome (1498888941).

The spelling of 1151267430 in words is "one billion, one hundred fifty-one million, two hundred sixty-seven thousand, four hundred thirty".