1190940100 has 243 divisors, whose sum is σ = 3307433493. Its totient is φ = 371051520.

The previous prime is 1190940077. The next prime is 1190940119. The reversal of 1190940100 is 10490911.

The square root of 1190940100 is 34510.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 13 ways, for example, as 388011204 + 802928896 = 19698^2 + 28336^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 41066886 + ... + 41066914.

Almost surely, 2^1190940100 is an apocalyptic number.

1190940100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1190940100 is the 34510-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1190940100

1190940100 is an abundant number, since it is smaller than the sum of its proper divisors (2116493393).

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

1190940100 is a wasteful number, since it uses less digits than its factorization.

1190940100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120 (or 60 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 25.

The cubic root of 1190940100 is about 1059.9774826117.

Multiplying 1190940100 by its sum of digits (25), we get a square (29773502500 = 172550²).

1190940100 divided by its sum of digits (25) gives a square (47637604 = 6902²).

Multiplying 1190940100 by its product of nonzero digits (324), we get a square (385864592400 = 621180²).

The spelling of 1190940100 in words is "one billion, one hundred ninety million, nine hundred forty thousand, one hundred".