1151213401 has 8 divisors (see below), whose sum is σ = 1305019520. Its totient is φ = 1006728912.

The previous prime is 1151213389. The next prime is 1151213407. The reversal of 1151213401 is 1043121511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1151213401 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1151213407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2330145 + ... + 2330638.

It is an arithmetic number, because the mean of its divisors is an integer number (163127440).

Almost surely, 2^1151213401 is an apocalyptic number.

It is an amenable number.

1151213401 is a deficient number, since it is larger than the sum of its proper divisors (153806119).

1151213401 is a wasteful number, since it uses less digits than its factorization.

1151213401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4660815.

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 1151213401 is about 33929.5358205797. The cubic root of 1151213401 is about 1048.0579069964.

Adding to 1151213401 its reverse (1043121511), we get a palindrome (2194334912).

The spelling of 1151213401 in words is "one billion, one hundred fifty-one million, two hundred thirteen thousand, four hundred one".