1149205372 has 48 divisors (see below), whose sum is σ = 2436799680. Its totient is φ = 462938112.

The previous prime is 1149205333. The next prime is 1149205427. The reversal of 1149205372 is 2735029411.

It is a happy number.

It is a super-5 number, since 5×1149205372⁵ (a number of 47 digits) contains 55555 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

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, 612628 + ... + 614500.

It is an arithmetic number, because the mean of its divisors is an integer number (50766660).

Almost surely, 2^1149205372 is an apocalyptic number.

It is an amenable number.

1149205372 is an abundant number, since it is smaller than the sum of its proper divisors (1287594308).

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

1149205372 is a wasteful number, since it uses less digits than its factorization.

1149205372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3190 (or 3188 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 1149205372 is about 33899.9317403443. The cubic root of 1149205372 is about 1047.4481864237.

The spelling of 1149205372 in words is "one billion, one hundred forty-nine million, two hundred five thousand, three hundred seventy-two".