1151467920 has 160 divisors (see below), whose sum is σ = 3977245440. Its totient is φ = 306201600.

The previous prime is 1151467913. The next prime is 1151467921. The reversal of 1151467920 is 297641511.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1151467921) 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, 1297717 + ... + 1298603.

It is an arithmetic number, because the mean of its divisors is an integer number (24857784).

Almost surely, 2^1151467920 is an apocalyptic number.

1151467920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1151467920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1988622720).

1151467920 is an abundant number, since it is smaller than the sum of its proper divisors (2825777520).

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

1151467920 is a wasteful number, since it uses less digits than its factorization.

1151467920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1510 (or 1498 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 1151467920 is about 33933.2863129995. The cubic root of 1151467920 is about 1048.1351388384.

The spelling of 1151467920 in words is "one billion, one hundred fifty-one million, four hundred sixty-seven thousand, nine hundred twenty".