1151141970 has 128 divisors (see below), whose sum is σ = 3076227072. Its totient is φ = 275647680.

The previous prime is 1151141969. The next prime is 1151141987. The reversal of 1151141970 is 791411511.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5070997 + ... + 5071223.

It is an arithmetic number, because the mean of its divisors is an integer number (24033024).

Almost surely, 2^1151141970 is an apocalyptic number.

1151141970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1151141970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1538113536).

1151141970 is an abundant number, since it is smaller than the sum of its proper divisors (1925085102).

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

1151141970 is a wasteful number, since it uses less digits than its factorization.

1151141970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397 (or 375 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 30.

The square root of 1151141970 is about 33928.4831668025. The cubic root of 1151141970 is about 1048.0362297607.

The spelling of 1151141970 in words is "one billion, one hundred fifty-one million, one hundred forty-one thousand, nine hundred seventy".